diff --git a/README.md b/README.md
index cf5c587d97..2bb6ccf0db 100644
--- a/README.md
+++ b/README.md
@@ -369,7 +369,7 @@ Keybinding | Description
C-c p e | Shows a list of recently visited project files.
C-c p s a | Runs `ack` on the project. Requires the presence of `ack-and-a-half`.
C-c p s s | Runs `ag` on the project. Requires the presence of `ag.el`.
-C-c p a | Runs `ack` on the project. Requires the presence of `ack-and-a-half`.
+C-c p a | Switch between files with the same name but different extensions.
C-c p c | Runs a standard compilation command for your type of project.
C-c p P | Runs a standard test command for your type of project.
C-c p z | Adds the currently visited to the cache.