diff --git a/xml/System.IO/MemoryStream.xml b/xml/System.IO/MemoryStream.xml
index 1fa8f5acad6..1364fbfdd61 100644
--- a/xml/System.IO/MemoryStream.xml
+++ b/xml/System.IO/MemoryStream.xml
@@ -1800,7 +1800,7 @@ The pending operation does not support writing.</exception>
 
  ]]></format>
         </remarks>
-        <exception cref="T:System.ArgumentOutOfRangeException">The position is set to a negative value or a value greater than <see cref="F:System.Int32.MaxValue">Int32.MaxValue</see>.</exception>
+        <exception cref="T:System.ArgumentOutOfRangeException">The position is set to a negative value or a value greater than the maximum length of the <see cref="T:System.IO.MemoryStream" />, where the maximum length is (<see cref="F:System.Int32.MaxValue">Int32.MaxValue</see> - <code>origin</code>), and <code>origin</code> is the index into the underlying buffer at which the stream starts.</exception>
         <exception cref="T:System.ObjectDisposedException">The stream is closed.</exception>
         <related type="Article" href="/dotnet/standard/io/">File and Stream I/O</related>
         <related type="Article" href="/dotnet/standard/io/how-to-read-text-from-a-file">How to: Read Text from a File</related>
@@ -2244,7 +2244,7 @@ The pending operation does not support writing.</exception>
         </remarks>
         <exception cref="T:System.IO.IOException">Seeking is attempted before the beginning of the stream.</exception>
         <exception cref="T:System.ArgumentOutOfRangeException">
-          <paramref name="offset" /> is greater than <see cref="F:System.Int32.MaxValue">Int32.MaxValue</see>.</exception>
+          <paramref name="offset" /> is greater than the maximum length of the <see cref="T:System.IO.MemoryStream" />, where the maximum length is (<see cref="F:System.Int32.MaxValue">Int32.MaxValue</see> - <code>origin</code>), and <code>origin</code> is the index into the underlying buffer at which the stream starts.</exception>
         <exception cref="T:System.ArgumentException">There is an invalid <see cref="T:System.IO.SeekOrigin" />.
 
  -or-