diff --git a/src/base/keys.h b/src/base/keys.h
index fd5d639e3..ca72ec9a2 100644
--- a/src/base/keys.h
+++ b/src/base/keys.h
@@ -1,4 +1,4 @@
-/**
+/**
  * File:   keys.h
  * Author: AWTK Develop Team
  * Brief:  key code constants