diff --git a/xml/Microsoft.Extensions.Caching.Memory/MemoryCache.xml b/xml/Microsoft.Extensions.Caching.Memory/MemoryCache.xml
index 631359d447d..332013f460c 100644
--- a/xml/Microsoft.Extensions.Caching.Memory/MemoryCache.xml
+++ b/xml/Microsoft.Extensions.Caching.Memory/MemoryCache.xml
@@ -1,4 +1,4 @@
-<Type Name="MemoryCache" FullName="Microsoft.Extensions.Caching.Memory.MemoryCache">
+<Type Name="MemoryCache" FullName="Microsoft.Extensions.Caching.Memory.MemoryCache">
   <TypeSignature Language="C#" Value="public class MemoryCache : IDisposable, Microsoft.Extensions.Caching.Memory.IMemoryCache" />
   <TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit MemoryCache extends System.Object implements class Microsoft.Extensions.Caching.Memory.IMemoryCache, class System.IDisposable" />
   <TypeSignature Language="DocId" Value="T:Microsoft.Extensions.Caching.Memory.MemoryCache" />
@@ -175,8 +175,8 @@
       </Parameters>
       <Docs>
         <param name="key">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Creates or overwrites an entry in the cache.</summary>
+        <returns>The newly created <see cref="T:Microsoft.Extensions.Caching.Memory.ICacheEntry" /> instance.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -208,7 +208,7 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -301,7 +301,7 @@
       </Parameters>
       <Docs>
         <param name="key">To be added.</param>
-        <summary>To be added.</summary>
+        <summary>Removes the object associated with the given key.</summary>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -338,8 +338,9 @@
       <Docs>
         <param name="key">To be added.</param>
         <param name="result">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Gets the item associated with this key if present.</summary>
+        <returns>
+          <see langword="true" /> if the key was found.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
diff --git a/xml/Microsoft.Extensions.Caching.Memory/MemoryCacheOptions.xml b/xml/Microsoft.Extensions.Caching.Memory/MemoryCacheOptions.xml
index d74f14c93c7..10306ac77f7 100644
--- a/xml/Microsoft.Extensions.Caching.Memory/MemoryCacheOptions.xml
+++ b/xml/Microsoft.Extensions.Caching.Memory/MemoryCacheOptions.xml
@@ -1,4 +1,4 @@
-<Type Name="MemoryCacheOptions" FullName="Microsoft.Extensions.Caching.Memory.MemoryCacheOptions">
+<Type Name="MemoryCacheOptions" FullName="Microsoft.Extensions.Caching.Memory.MemoryCacheOptions">
   <TypeSignature Language="C#" Value="public class MemoryCacheOptions : Microsoft.Extensions.Options.IOptions&lt;Microsoft.Extensions.Caching.Memory.MemoryCacheOptions&gt;" />
   <TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit MemoryCacheOptions extends System.Object implements class Microsoft.Extensions.Options.IOptions`1&lt;class Microsoft.Extensions.Caching.Memory.MemoryCacheOptions&gt;" />
   <TypeSignature Language="DocId" Value="T:Microsoft.Extensions.Caching.Memory.MemoryCacheOptions" />
@@ -192,7 +192,7 @@
         <ReturnType>Microsoft.Extensions.Caching.Memory.MemoryCacheOptions</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Gets the default configured <typeparamref name="TOptions" /> instance.</summary>
         <value>To be added.</value>
         <remarks>To be added.</remarks>
       </Docs>
diff --git a/xml/Microsoft.Extensions.Configuration/ChainedConfigurationProvider.xml b/xml/Microsoft.Extensions.Configuration/ChainedConfigurationProvider.xml
index b7790427628..a9a270c9424 100644
--- a/xml/Microsoft.Extensions.Configuration/ChainedConfigurationProvider.xml
+++ b/xml/Microsoft.Extensions.Configuration/ChainedConfigurationProvider.xml
@@ -1,4 +1,4 @@
-<Type Name="ChainedConfigurationProvider" FullName="Microsoft.Extensions.Configuration.ChainedConfigurationProvider">
+<Type Name="ChainedConfigurationProvider" FullName="Microsoft.Extensions.Configuration.ChainedConfigurationProvider">
   <TypeSignature Language="C#" Value="public class ChainedConfigurationProvider : Microsoft.Extensions.Configuration.IConfigurationProvider" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2" />
   <TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit ChainedConfigurationProvider extends System.Object implements class Microsoft.Extensions.Configuration.IConfigurationProvider" FrameworkAlternate="dotnet-plat-ext-2.1;dotnet-plat-ext-2.2" />
   <TypeSignature Language="DocId" Value="T:Microsoft.Extensions.Configuration.ChainedConfigurationProvider" />
@@ -81,7 +81,7 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
diff --git a/xml/Microsoft.Extensions.Configuration/ConfigurationRoot.xml b/xml/Microsoft.Extensions.Configuration/ConfigurationRoot.xml
index c04fbbb6f5b..d7950997f63 100644
--- a/xml/Microsoft.Extensions.Configuration/ConfigurationRoot.xml
+++ b/xml/Microsoft.Extensions.Configuration/ConfigurationRoot.xml
@@ -1,4 +1,4 @@
-<Type Name="ConfigurationRoot" FullName="Microsoft.Extensions.Configuration.ConfigurationRoot">
+<Type Name="ConfigurationRoot" FullName="Microsoft.Extensions.Configuration.ConfigurationRoot">
   <TypeSignature Language="C#" Value="public class ConfigurationRoot : Microsoft.Extensions.Configuration.IConfigurationRoot" FrameworkAlternate="dotnet-plat-ext-1.0;dotnet-plat-ext-1.1;dotnet-plat-ext-2.0;dotnet-plat-ext-2.1;dotnet-plat-ext-2.2" />
   <TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit ConfigurationRoot extends System.Object implements class Microsoft.Extensions.Configuration.IConfiguration, class Microsoft.Extensions.Configuration.IConfigurationRoot" FrameworkAlternate="dotnet-plat-ext-1.0;dotnet-plat-ext-1.1;dotnet-plat-ext-2.0;dotnet-plat-ext-2.1;dotnet-plat-ext-2.2" />
   <TypeSignature Language="DocId" Value="T:Microsoft.Extensions.Configuration.ConfigurationRoot" />
@@ -91,7 +91,7 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
diff --git a/xml/Microsoft.Extensions.Configuration/FileConfigurationProvider.xml b/xml/Microsoft.Extensions.Configuration/FileConfigurationProvider.xml
index 13c7b63539e..5b685152f78 100644
--- a/xml/Microsoft.Extensions.Configuration/FileConfigurationProvider.xml
+++ b/xml/Microsoft.Extensions.Configuration/FileConfigurationProvider.xml
@@ -1,4 +1,4 @@
-<Type Name="FileConfigurationProvider" FullName="Microsoft.Extensions.Configuration.FileConfigurationProvider">
+<Type Name="FileConfigurationProvider" FullName="Microsoft.Extensions.Configuration.FileConfigurationProvider">
   <TypeSignature Language="C#" Value="public abstract class FileConfigurationProvider : Microsoft.Extensions.Configuration.ConfigurationProvider" FrameworkAlternate="dotnet-plat-ext-1.0;dotnet-plat-ext-1.1;dotnet-plat-ext-2.0;dotnet-plat-ext-2.1;dotnet-plat-ext-2.2" />
   <TypeSignature Language="ILAsm" Value=".class public auto ansi abstract beforefieldinit FileConfigurationProvider extends Microsoft.Extensions.Configuration.ConfigurationProvider" FrameworkAlternate="dotnet-plat-ext-1.0;dotnet-plat-ext-1.1;dotnet-plat-ext-2.0;dotnet-plat-ext-2.1;dotnet-plat-ext-2.2" />
   <TypeSignature Language="DocId" Value="T:Microsoft.Extensions.Configuration.FileConfigurationProvider" />
@@ -84,7 +84,7 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
diff --git a/xml/Microsoft.Extensions.DependencyInjection/DefaultServiceProviderFactory.xml b/xml/Microsoft.Extensions.DependencyInjection/DefaultServiceProviderFactory.xml
index 1deed6c1037..486bb6ee052 100644
--- a/xml/Microsoft.Extensions.DependencyInjection/DefaultServiceProviderFactory.xml
+++ b/xml/Microsoft.Extensions.DependencyInjection/DefaultServiceProviderFactory.xml
@@ -1,4 +1,4 @@
-<Type Name="DefaultServiceProviderFactory" FullName="Microsoft.Extensions.DependencyInjection.DefaultServiceProviderFactory">
+<Type Name="DefaultServiceProviderFactory" FullName="Microsoft.Extensions.DependencyInjection.DefaultServiceProviderFactory">
   <TypeSignature Language="C#" Value="public class DefaultServiceProviderFactory : Microsoft.Extensions.DependencyInjection.IServiceProviderFactory&lt;Microsoft.Extensions.DependencyInjection.IServiceCollection&gt;" />
   <TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit DefaultServiceProviderFactory extends System.Object implements class Microsoft.Extensions.DependencyInjection.IServiceProviderFactory`1&lt;class Microsoft.Extensions.DependencyInjection.IServiceCollection&gt;" />
   <TypeSignature Language="DocId" Value="T:Microsoft.Extensions.DependencyInjection.DefaultServiceProviderFactory" />
@@ -109,8 +109,8 @@
       </Parameters>
       <Docs>
         <param name="services">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Creates a container builder from an <see cref="T:Microsoft.Extensions.DependencyInjection.IServiceCollection" />.</summary>
+        <returns>A container builder that can be used to create an <see cref="T:System.IServiceProvider" />.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -144,8 +144,8 @@
       </Parameters>
       <Docs>
         <param name="containerBuilder">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Creates an <see cref="T:System.IServiceProvider" /> from the container builder.</summary>
+        <returns>An <see cref="T:System.IServiceProvider" />.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
diff --git a/xml/Microsoft.Extensions.DependencyInjection/ServiceCollection.xml b/xml/Microsoft.Extensions.DependencyInjection/ServiceCollection.xml
index 58ec255c6c6..8e134e74921 100644
--- a/xml/Microsoft.Extensions.DependencyInjection/ServiceCollection.xml
+++ b/xml/Microsoft.Extensions.DependencyInjection/ServiceCollection.xml
@@ -1,4 +1,4 @@
-<Type Name="ServiceCollection" FullName="Microsoft.Extensions.DependencyInjection.ServiceCollection">
+<Type Name="ServiceCollection" FullName="Microsoft.Extensions.DependencyInjection.ServiceCollection">
   <TypeSignature Language="C#" Value="public class ServiceCollection : Microsoft.Extensions.DependencyInjection.IServiceCollection, System.Collections.Generic.ICollection&lt;Microsoft.Extensions.DependencyInjection.ServiceDescriptor&gt;, System.Collections.Generic.IEnumerable&lt;Microsoft.Extensions.DependencyInjection.ServiceDescriptor&gt;, System.Collections.Generic.IList&lt;Microsoft.Extensions.DependencyInjection.ServiceDescriptor&gt;" />
   <TypeSignature Language="ILAsm" Value=".class public auto ansi beforefieldinit ServiceCollection extends System.Object implements class Microsoft.Extensions.DependencyInjection.IServiceCollection, class System.Collections.Generic.ICollection`1&lt;class Microsoft.Extensions.DependencyInjection.ServiceDescriptor&gt;, class System.Collections.Generic.IEnumerable`1&lt;class Microsoft.Extensions.DependencyInjection.ServiceDescriptor&gt;, class System.Collections.Generic.IList`1&lt;class Microsoft.Extensions.DependencyInjection.ServiceDescriptor&gt;, class System.Collections.IEnumerable" />
   <TypeSignature Language="DocId" Value="T:Microsoft.Extensions.DependencyInjection.ServiceCollection" />
@@ -99,7 +99,7 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Removes all items from the <see cref="T:System.Collections.Generic.ICollection`1" />.</summary>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -134,8 +134,9 @@
       </Parameters>
       <Docs>
         <param name="item">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Determines whether the <see cref="T:System.Collections.Generic.ICollection`1" /> contains a specific value.</summary>
+        <returns>
+          <see langword="true" /> if <paramref name="item" /> is found in the <see cref="T:System.Collections.Generic.ICollection`1" />; otherwise, <see langword="false" />.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -172,7 +173,7 @@
       <Docs>
         <param name="array">To be added.</param>
         <param name="arrayIndex">To be added.</param>
-        <summary>To be added.</summary>
+        <summary>Copies the elements of the <see cref="T:System.Collections.Generic.ICollection`1" /> to an <see cref="T:System.Array" />, starting at a particular <see cref="T:System.Array" /> index.</summary>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -203,7 +204,7 @@
         <ReturnType>System.Int32</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Gets the number of elements contained in the <see cref="T:System.Collections.Generic.ICollection`1" />.</summary>
         <value>To be added.</value>
         <remarks>To be added.</remarks>
         <inheritdoc />
@@ -236,8 +237,8 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Returns an enumerator that iterates through the collection.</summary>
+        <returns>An enumerator that can be used to iterate through the collection.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -272,8 +273,8 @@
       </Parameters>
       <Docs>
         <param name="item">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Determines the index of a specific item in the <see cref="T:System.Collections.Generic.IList`1" />.</summary>
+        <returns>The index of <paramref name="item" /> if found in the list; otherwise, -1.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -310,7 +311,7 @@
       <Docs>
         <param name="index">To be added.</param>
         <param name="item">To be added.</param>
-        <summary>To be added.</summary>
+        <summary>Inserts an item to the <see cref="T:System.Collections.Generic.IList`1" /> at the specified index.</summary>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -341,7 +342,7 @@
         <ReturnType>System.Boolean</ReturnType>
       </ReturnValue>
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Gets a value indicating whether the <see cref="T:System.Collections.Generic.ICollection`1" /> is read-only.</summary>
         <value>To be added.</value>
         <remarks>To be added.</remarks>
         <inheritdoc />
@@ -377,7 +378,7 @@
       </Parameters>
       <Docs>
         <param name="index">To be added.</param>
-        <summary>To be added.</summary>
+        <summary>Gets or sets the element at the specified index.</summary>
         <value>To be added.</value>
         <remarks>To be added.</remarks>
         <inheritdoc />
@@ -413,8 +414,9 @@
       </Parameters>
       <Docs>
         <param name="item">To be added.</param>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Removes the first occurrence of a specific object from the <see cref="T:System.Collections.Generic.ICollection`1" />.</summary>
+        <returns>
+          <see langword="true" /> if <paramref name="item" /> was successfully removed from the <see cref="T:System.Collections.Generic.ICollection`1" />; otherwise, <see langword="false" />. This method also returns <see langword="false" /> if <paramref name="item" /> is not found in the original <see cref="T:System.Collections.Generic.ICollection`1" />.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -449,7 +451,7 @@
       </Parameters>
       <Docs>
         <param name="index">To be added.</param>
-        <summary>To be added.</summary>
+        <summary>Removes the <see cref="T:System.Collections.Generic.IList`1" /> item at the specified index.</summary>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -483,8 +485,8 @@
         <Parameter Name="item" Type="Microsoft.Extensions.DependencyInjection.ServiceDescriptor" />
       </Parameters>
       <Docs>
-        <param name="item">To be added.</param>
-        <summary>To be added.</summary>
+        <param name="item">The object to add to the <see cref="T:System.Collections.Generic.ICollection`1" />.</param>
+        <summary>Adds an item to the <see cref="T:System.Collections.Generic.ICollection`1" />.</summary>
         <remarks>To be added.</remarks>
       </Docs>
     </Member>
@@ -515,9 +517,17 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
-        <remarks>To be added.</remarks>
+        <summary>Returns an enumerator that iterates through a collection.</summary>
+        <returns>An <see cref="T:System.Collections.IEnumerator" /> object that can be used to iterate through the collection.</returns>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+This member is an explicit interface member implementation. It can be used only when the <xref:Microsoft.Extensions.DependencyInjection.ServiceCollection> instance is cast to an <xref:System.Collections.IEnumerable> interface.
+
+          ]]></format>
+        </remarks>
       </Docs>
     </Member>
   </Members>
diff --git a/xml/Microsoft.Extensions.DependencyInjection/ServiceProvider.xml b/xml/Microsoft.Extensions.DependencyInjection/ServiceProvider.xml
index 07f19623d34..94646cac664 100644
--- a/xml/Microsoft.Extensions.DependencyInjection/ServiceProvider.xml
+++ b/xml/Microsoft.Extensions.DependencyInjection/ServiceProvider.xml
@@ -64,7 +64,7 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
+        <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources.</summary>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>
@@ -91,8 +91,8 @@
       </ReturnValue>
       <Parameters />
       <Docs>
-        <summary>To be added.</summary>
-        <returns>To be added.</returns>
+        <summary>Performs application-defined tasks associated with freeing, releasing, or resetting unmanaged resources asynchronously.</summary>
+        <returns>A task that represents the asynchronous dispose operation.</returns>
         <remarks>To be added.</remarks>
         <inheritdoc />
       </Docs>