diff --git a/apps/emqx_gateway/README.md b/apps/emqx_gateway/README.md
index 581f0245d..5aed6421b 100644
--- a/apps/emqx_gateway/README.md
+++ b/apps/emqx_gateway/README.md
@@ -79,7 +79,7 @@ your device protocol and integrate it with EMQX.
 
 Refer to: [ExProto Gateway](../emqx_exproto/README.md)
 
-## Understard emqx_gateway framework
+## Understand emqx_gateway framework
 
 *WIP*