diff --git a/src/app/CommandSender.h b/src/app/CommandSender.h
index 4a1744e8113b7e..8e9af65eaf9d3e 100644
--- a/src/app/CommandSender.h
+++ b/src/app/CommandSender.h
@@ -111,7 +111,7 @@ class CommandSender final : public Messaging::ExchangeDelegate
          * The CommandSender object MUST continue to exist after this call is completed. The application shall wait until it
          * receives an OnDone call to destroy the object.
          *
-         * It is advised that subclass should only override this or `OnResponseWithAdditionalData`. But, it shouldn't actually
+         * It is advised that subclasses should only override this or `OnResponseWithAdditionalData`. But, it shouldn't actually
          * matter if both are overridden, just that `OnResponse` will never be called by CommandSender directly.
          *
          * @param[in] apCommandSender The command sender object that initiated the command transaction.