update README.md

README.md

@@ -12,7 +12,9 @@ You can clone the repository directly from GitHub into your Packages directory:
 
 ## Usage
 
-### Key Binding
+### Key Bindings
+
+For OS X user:
 
 ``` json
 [
@@ -22,6 +24,16 @@ You can clone the repository directly from GitHub into your Packages directory:
 ]
 ```
 
+For Windows/Linux user:
+
+``` json
+[
+  { "keys": ["ctrl+m", "ctrl+t"], "command": "move_caret_top" },
+  { "keys": ["ctrl+m", "ctrl+m"], "command": "move_caret_middle"},
+  { "keys": ["ctrl+m", "ctrl+b"], "command": "move_caret_bottom"}
+]
+```
+
 ## TODO
 
 * Submitting to Package Control...