diff --git a/README.md b/README.md
index 19e2194..154dc46 100644
--- a/README.md
+++ b/README.md
@@ -21,3 +21,7 @@
 
 - `:b [num]` use buffer [num]
 - `:[num]bd` unload buffer [num]
+
+## Auto Complete
+
+- `<ctrl-x><ctrl-o>` - standard