diff --git a/tonic/src/client/grpc.rs b/tonic/src/client/grpc.rs
index cd8a6b7d6..981b72380 100644
--- a/tonic/src/client/grpc.rs
+++ b/tonic/src/client/grpc.rs
@@ -181,7 +181,7 @@ impl<T> Grpc<T> {
     ///     .await
     ///     .unwrap();
     ///
-    /// // Set the limit to 2MB, Defaults to 4MB.
+    /// // Set the limit to 2MB, Defaults to `usize::MAX`.
     /// let limit = 2 * 1024 * 1024;
     /// let client = TestClient::new(channel).max_encoding_message_size(limit);
     /// # };