diff --git a/guide/english/bash/bash-chmod/index.md b/guide/english/bash/bash-chmod/index.md
index 9b460dcd58..07fa817799 100644
--- a/guide/english/bash/bash-chmod/index.md
+++ b/guide/english/bash/bash-chmod/index.md
@@ -6,6 +6,18 @@ title: Bash chmod
 
 **Change the permissions of a File/Directory**, for example `chmod u+x hello.py`. (Gives the user the permission to execute the file)
 
+### Usage
+
+**Change the permissions of a File/Directory** 
+
+```bash
+chmod [permission] [file_names]
+```
+permission can be r+w or r+w+x ...etc
+
+* r = read
+* w = write
+* x = execute
 
 ### More Information:
 * [Wikipedia](https://en.wikipedia.org/wiki/Chmod)