diff --git a/src/csharp/Grpc.Core/CallOptions.cs b/src/csharp/Grpc.Core/CallOptions.cs
index 339552b0b11e1d122b6a010c6d46aef98918326e..10e073aff181b819c3ab98da1c9ac0742e75d985 100644
--- a/src/csharp/Grpc.Core/CallOptions.cs
+++ b/src/csharp/Grpc.Core/CallOptions.cs
@@ -159,7 +159,7 @@ namespace Grpc.Core
         /// Returns new instance of <see cref="CallOptions"/> with
         /// <c>WriteOptions</c> set to the value provided. Values of all other fields are preserved.
         /// </summary>
-        /// <param name="cancellationToken">The write options.</param>
+        /// <param name="writeOptions">The write options.</param>
         public CallOptions WithWriteOptions(WriteOptions writeOptions)
         {
             var newOptions = this;