diff --git a/README.md b/README.md
index 7b33d98..f76e19f 100644
--- a/README.md
+++ b/README.md
@@ -28,7 +28,8 @@ This is a work in progress.
 ####For Windows:
     MinGW or other GCC
 ####For everything else:
-    Gcc
+    GCC
+    
     X11 with the XTest extension (also known as the Xtst library)
 
 
diff --git a/README_zh.md b/README_zh.md
index d003b74..e558603 100644
--- a/README_zh.md
+++ b/README_zh.md
@@ -28,7 +28,8 @@ RobotGo 支持 Mac, Windows, and Linux(X11).
 ####For Windows:
     MinGW or other GCC
 ####For everything else(Linux等其他系统):
-    Gcc
+    GCC
+    
     X11 with the XTest extension (also known as the Xtst library)