diff --git a/xml/System.Collections.Concurrent/BlockingCollection`1.xml b/xml/System.Collections.Concurrent/BlockingCollection`1.xml
index f8599e13e7c..2f5dd9b5926 100644
--- a/xml/System.Collections.Concurrent/BlockingCollection`1.xml
+++ b/xml/System.Collections.Concurrent/BlockingCollection`1.xml
@@ -1872,16 +1872,8 @@ This member is an explicit interface member implementation. It can be used only
         <param name="collections">The array of collections.</param>
         <param name="item">The item to be added to one of the collections.</param>
         <param name="timeout">A <see cref="T:System.TimeSpan" /> that represents the number of milliseconds to wait, or a <see cref="T:System.TimeSpan" /> that represents -1 milliseconds to wait indefinitely.</param>
-        <summary>Tries to add the specified item to any one of the specified <see cref="T:System.Collections.Concurrent.BlockingCollection`1" /> instances while observing the specified cancellation token.</summary>
+        <summary>Tries to add the specified item to any one of the specified <see cref="T:System.Collections.Concurrent.BlockingCollection`1" /> instances.</summary>
         <returns>The index of the collection in the <paramref name="collections" /> array to which the item was added, or -1 if the item could not be added.</returns>
-        <remarks>
-          <format type="text/markdown"><![CDATA[
-
-## Remarks
- This method can return early if the cancellationToken is cancelled before space was available for the Add operation.
-
- ]]></format>
-        </remarks>
         <exception cref="T:System.ObjectDisposedException">At least one of the <see cref="T:System.Collections.Concurrent.BlockingCollection`1" /> instances has been disposed.</exception>
         <exception cref="T:System.ArgumentNullException">The <paramref name="collections" /> argument is null.</exception>
         <exception cref="T:System.ArgumentOutOfRangeException">
@@ -1939,9 +1931,16 @@ This member is an explicit interface member implementation. It can be used only
         <param name="item">The item to be added to one of the collections.</param>
         <param name="millisecondsTimeout">The number of milliseconds to wait for the collection to accept the item, or <see cref="F:System.Threading.Timeout.Infinite" /> (-1) to wait indefinitely.</param>
         <param name="cancellationToken">A cancellation token to observe.</param>
-        <summary>Tries to add the specified item to any one of the specified <see cref="T:System.Collections.Concurrent.BlockingCollection`1" /> instances.</summary>
+        <summary>Tries to add the specified item to any one of the specified <see cref="T:System.Collections.Concurrent.BlockingCollection`1" /> instances while observing the specified cancellation token.</summary>
         <returns>The index of the collection in the <paramref name="collections" /> array to which the item was added, or -1 if the item could not be added.</returns>
-        <remarks>To be added.</remarks>
+        <remarks>
+          <format type="text/markdown"><![CDATA[
+
+## Remarks
+ This method throws an <xref:System.OperationCanceledException> if `cancellationToken` is canceled before space becomes available for the add operation.
+
+  ]]></format>
+        </remarks>
         <exception cref="T:System.OperationCanceledException">The <see cref="T:System.Threading.CancellationToken" /> is canceled.</exception>
         <exception cref="T:System.InvalidOperationException">At least one underlying collection didn't accept the item.</exception>
         <exception cref="T:System.ArgumentNullException">The <paramref name="collections" /> argument is null.</exception>