Update src/app/server-cluster/DefaultServerCluster.h

Co-authored-by: Boris Zbarsky <bzbarsky@apple.com>

Author: andy31415

src/app/server-cluster/DefaultServerCluster.h

@@ -68,7 +68,7 @@ class DefaultServerCluster : public ServerClusterInterface
     CHIP_ERROR AcceptedCommands(const ConcreteClusterPath & path,
                                 DataModel::ListBuilder<DataModel::AcceptedCommandEntry> & builder) override;
 
-    /// Must only be implemented if commands are supported by the cluster that return values
+    /// Must only be implemented if commands that return values are supported by the cluster.
     ///
     /// Default implementation is a NOOP (no list items generated)
     CHIP_ERROR GeneratedCommands(const ConcreteClusterPath & path, DataModel::ListBuilder<CommandId> & builder) override;