diff --git a/nvim/.config/nvim/README.md b/nvim/.config/nvim/README.md
index 030bc77..6a22e9d 100644
--- a/nvim/.config/nvim/README.md
+++ b/nvim/.config/nvim/README.md
@@ -46,6 +46,7 @@ Oil usage:
 - `<A-h>` also goes to the parent directory
 - `<A-l>` opens the selected file or enters the selected directory
 - `<C-p>` previews the selected entry
+- `go` opens the file in external viewer
 
 ## Window Navigation