diff --git a/xml/Microsoft.Vsa/BaseVsaEngine+Pre.xml b/xml/Microsoft.Vsa/BaseVsaEngine+Pre.xml
index 17b52383456..00ba75357f6 100644
--- a/xml/Microsoft.Vsa/BaseVsaEngine+Pre.xml
+++ b/xml/Microsoft.Vsa/BaseVsaEngine+Pre.xml
@@ -40,7 +40,7 @@
       </ReturnValue>
       <MemberValue>4</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The engine is compiled.</summary>
       </Docs>
     </Member>
     <Member MemberName="EngineInitialised">
@@ -61,7 +61,7 @@
       </ReturnValue>
       <MemberValue>1024</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The engine is initialized.</summary>
       </Docs>
     </Member>
     <Member MemberName="EngineNotClosed">
@@ -82,7 +82,7 @@
       </ReturnValue>
       <MemberValue>1</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The engine is not closed.</summary>
       </Docs>
     </Member>
     <Member MemberName="EngineNotInitialised">
@@ -103,7 +103,7 @@
       </ReturnValue>
       <MemberValue>2048</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The engine is not initialized.</summary>
       </Docs>
     </Member>
     <Member MemberName="EngineNotRunning">
@@ -124,7 +124,7 @@
       </ReturnValue>
       <MemberValue>16</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The engine is not running.</summary>
       </Docs>
     </Member>
     <Member MemberName="EngineRunning">
@@ -145,7 +145,7 @@
       </ReturnValue>
       <MemberValue>8</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The engine is running.</summary>
       </Docs>
     </Member>
     <Member MemberName="None">
@@ -166,7 +166,7 @@
       </ReturnValue>
       <MemberValue>0</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>No engine is set.</summary>
       </Docs>
     </Member>
     <Member MemberName="RootMonikerNotSet">
@@ -187,7 +187,7 @@
       </ReturnValue>
       <MemberValue>64</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The root moniker is not set.</summary>
       </Docs>
     </Member>
     <Member MemberName="RootMonikerSet">
@@ -208,7 +208,7 @@
       </ReturnValue>
       <MemberValue>32</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The root moniker is set.</summary>
       </Docs>
     </Member>
     <Member MemberName="RootNamespaceSet">
@@ -229,7 +229,7 @@
       </ReturnValue>
       <MemberValue>128</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The root namespace is set.</summary>
       </Docs>
     </Member>
     <Member MemberName="SiteNotSet">
@@ -250,7 +250,7 @@
       </ReturnValue>
       <MemberValue>512</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The site is not set.</summary>
       </Docs>
     </Member>
     <Member MemberName="SiteSet">
@@ -271,7 +271,7 @@
       </ReturnValue>
       <MemberValue>256</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The site is set.</summary>
       </Docs>
     </Member>
     <Member MemberName="SupportForDebug">
@@ -292,7 +292,7 @@
       </ReturnValue>
       <MemberValue>2</MemberValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>The debug features are switched on.</summary>
       </Docs>
     </Member>
   </Members>
diff --git a/xml/Microsoft.Vsa/BaseVsaEngine.xml b/xml/Microsoft.Vsa/BaseVsaEngine.xml
index 0487315514d..8074f6ebcd2 100644
--- a/xml/Microsoft.Vsa/BaseVsaEngine.xml
+++ b/xml/Microsoft.Vsa/BaseVsaEngine.xml
@@ -51,7 +51,7 @@
         <ReturnType>System._AppDomain</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Gets or sets the application domain.</summary>
         <value>To be added.</value>
         <remarks>To be added.</remarks>
       </Docs>
@@ -73,7 +73,7 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Gets or sets the application base.</summary>
         <value>To be added.</value>
         <remarks>To be added.</remarks>
       </Docs>
@@ -95,7 +95,7 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the application path.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -119,8 +119,8 @@
         <ReturnType>System.Reflection.Assembly</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets a reference to the running assembly generated by Run method.</summary>
+        <value>A reference to the running assembly generated by Run method.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -141,7 +141,7 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the assembly version.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -213,7 +213,7 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the compiled root namespace.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -356,7 +356,7 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the engine moniker.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -377,7 +377,7 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the engine name.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -398,7 +398,7 @@
         <ReturnType>Microsoft.Vsa.IVsaSite</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the engine site.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -445,7 +445,7 @@
         <ReturnType>System.Int32</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the error locale.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -469,8 +469,8 @@
         <ReturnType>System.Security.Policy.Evidence</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets the evidence for the purpose of validating the current object's identity.</summary>
+        <value>The evidence for the purpose of validating the current object's identity.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -491,7 +491,7 @@
         <ReturnType>System.Security.Policy.Evidence</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the execution evidence.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -512,7 +512,7 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Indicates whether the compilation failed.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -533,7 +533,7 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Indicates whether debug information is generated.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -557,8 +557,9 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets a value that indicates whether the script engine produces debug information when the Compile method is called.</summary>
+        <value>
+          <see langword="true" /> to produce debug information; otherwise, <see langword="false" />.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -634,7 +635,7 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Indicates whether there is a compiled state.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -680,7 +681,7 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Indicates whether the engine is closed.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -704,8 +705,9 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets a value that indicates whether the source is compiled.</summary>
+        <value>
+          <see langword="true" /> if the source is compiled; otherwise, <see langword="false" />.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -726,7 +728,7 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies whether debug information is supported.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -747,8 +749,9 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets a value that indicates whether the current in-memory representation of the item differs from the persisted representation.</summary>
+        <value>
+           <see langword="true" /> if the in-memory representation differs from the persisted representation; otherwise, <see langword="false" />.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -769,7 +772,7 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Indicates whether the engine is compiled.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -790,7 +793,7 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Indicates whether the current in-memory representation of the item differs from the persisted representation.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -811,7 +814,7 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Indicates whether the engine is initialized.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -832,7 +835,7 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Indicates whether the engine is running.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -856,8 +859,9 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets a value that indicates whether the engine is currently in run mode.</summary>
+        <value>
+          <see langword="true" /> if the engine is in run mode; otherwise, <see langword="false" />.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -936,8 +940,8 @@
         <ReturnType>Microsoft.Vsa.IVsaItems</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the collection of IVsaItems objects, which represent all items added to the engine.</summary>
+        <value>The collection of items.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -961,8 +965,8 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the name of the programming language supported by the engine.</summary>
+        <value>The name of the programming language.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -986,8 +990,8 @@
         <ReturnType>System.Int32</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets the geographical locale and language in which to report exception messages.</summary>
+        <value>The geographical locale and language in which to report exception messages.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1031,7 +1035,7 @@
         <ReturnType>System.Reflection.Assembly</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the loaded assembly.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1083,8 +1087,8 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets the display name of the engine.</summary>
+        <value>The display name of the engine.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1105,7 +1109,7 @@
         <ReturnType>System.Collections.Hashtable</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the name table.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1226,8 +1230,8 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets the root moniker used by the engine.</summary>
+        <value>The root moniker used by the engine.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1248,8 +1252,8 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <remarks>To be added.</remarks>
+        <summary>Gets or sets the root namespace.</summary>
+        <remarks>The root namespace.</remarks>
       </Docs>
     </Member>
     <Member MemberName="RootNamespace">
@@ -1272,8 +1276,8 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets the root namespace used by the engine.</summary>
+        <value>The root namespace used by the engine.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1298,7 +1302,7 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Initiates execution of compiled code in the engine and binds all event handlers.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1326,9 +1330,9 @@
         <Parameter Name="debugInfo" Type="System.Byte[]" RefType="out" />
       </Parameters>
       <Docs>
-        <param name="pe">To be added.</param>
-        <param name="debugInfo">To be added.</param>
-        <summary>To be added.</summary>
+        <param name="pe">The compiled state of the script engine.</param>
+        <param name="debugInfo">Specifies debugging information contained in the .PDB file corresponding to the PE (portable executable).</param>
+        <summary>Saves the compiled state of the engine; optionally, it also saves debugging information.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1355,8 +1359,8 @@
         <Parameter Name="site" Type="Microsoft.Vsa.IVsaPersistSite" />
       </Parameters>
       <Docs>
-        <param name="site">To be added.</param>
-        <summary>To be added.</summary>
+        <param name="site">The site to which source state is saved.</param>
+        <summary>Directs the engine to persist its source state.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1377,7 +1381,7 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the script language.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1458,8 +1462,8 @@
         <ReturnType>Microsoft.Vsa.IVsaSite</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets or sets the host-implemented IVsaSite object that is used by the engine to communicate with the host.</summary>
+        <value>The host-implemented IVsaSite object that is used by the engine to communicate with the host.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1480,7 +1484,7 @@
         <ReturnType>System.Type</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the startup class.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1501,7 +1505,7 @@
         <ReturnType>Microsoft.Vsa.BaseVsaStartup</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the startup instance.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1525,8 +1529,8 @@
         <Parameter Name="rootMoniker" Type="System.String" />
       </Parameters>
       <Docs>
-        <param name="rootMoniker">To be added.</param>
-        <summary>To be added.</summary>
+        <param name="rootMoniker">The root moniker to validate.</param>
+        <summary>Validates the root moniker.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1550,8 +1554,8 @@
         <ReturnType>System.String</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets the current version of the language compiler supported by the engine, in the form Major.Minor.Revision.Build.</summary>
+        <value>The current version of the language compiler supported by the engine.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -1572,7 +1576,7 @@
         <ReturnType>Microsoft.Vsa.IVsaItems</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the collection of IVsaItem objects.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/Microsoft.Vsa/BaseVsaSite.xml b/xml/Microsoft.Vsa/BaseVsaSite.xml
index 456dc7d1b75..4e9cf7f4b4e 100644
--- a/xml/Microsoft.Vsa/BaseVsaSite.xml
+++ b/xml/Microsoft.Vsa/BaseVsaSite.xml
@@ -63,8 +63,8 @@
         <ReturnType>System.Byte[]</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets an assembly for this site.</summary>
+        <value>An assembly for this site.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -85,8 +85,8 @@
         <ReturnType>System.Byte[]</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
-        <value>To be added.</value>
+        <summary>Gets debug information for this site.</summary>
+        <value>Debug information for this site.</value>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
diff --git a/xml/Microsoft.Vsa/BaseVsaStartup.xml b/xml/Microsoft.Vsa/BaseVsaStartup.xml
index b935a756937..55ed2bab74e 100644
--- a/xml/Microsoft.Vsa/BaseVsaStartup.xml
+++ b/xml/Microsoft.Vsa/BaseVsaStartup.xml
@@ -106,7 +106,7 @@
         <ReturnType>Microsoft.Vsa.IVsaSite</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Specifies the site where the engine is started.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>