diff --git a/xml/System.Resources.Extensions/DeserializingResourceReader.xml b/xml/System.Resources.Extensions/DeserializingResourceReader.xml
index f33fdd52ec5..e236341584b 100644
--- a/xml/System.Resources.Extensions/DeserializingResourceReader.xml
+++ b/xml/System.Resources.Extensions/DeserializingResourceReader.xml
@@ -36,7 +36,15 @@
   </Interfaces>
   <Docs>
     <summary>Provides APIs similar to <see cref="T:System.Resources.ResourceReader" /> that can read and deserialize resource data written by either <see cref="T:System.Resources.ResourceWriter" /> or <see cref="T:System.Resources.Extensions.PreserializedResourceWriter" />.</summary>
-    <remarks>To be added.</remarks>
+    <remarks>
+      <format type="text/markdown"><![CDATA[
+
+## Remarks
+
+[!INCLUDE [untrusted-data-instance-note](~/includes/untrusted-data-instance-note.md)]
+
+]]></format>
+    </remarks>
   </Docs>
   <Members>
     <Member MemberName=".ctor">
diff --git a/xml/System.Resources/ResourceReader.xml b/xml/System.Resources/ResourceReader.xml
index 0c8ef697190..f0aec27809e 100644
--- a/xml/System.Resources/ResourceReader.xml
+++ b/xml/System.Resources/ResourceReader.xml
@@ -107,7 +107,7 @@
 
 ## Remarks
 
-[!INCLUDE [untrusted-data-instance-note](~/includes/untrusted-data-instance-note.md)].
+[!INCLUDE [untrusted-data-instance-note](~/includes/untrusted-data-instance-note.md)]
 
  ]]></format>
         </remarks>