1diff --git a/plugins/git-extras/README.md b/plugins/git-extras/README.md
2index 2adc9d477009e397a0010ff284c19b7524cdc233..7eb53fcfd5d99d72863d21f8c971c8ddcf12872f 100644
3--- a/plugins/git-extras/README.md
4+++ b/plugins/git-extras/README.md
5@@ -1,6 +1,6 @@
6 # git-extras
7 8-This plugin provides completion definitions for some of the commands defined by [git-extras](https://github.com/tj/git-extras).
9+This plugin provides completion definitions for some of the commands defined by [git-extras](https://github.com/tj/git-extras), which must already be installed.
1011 To use it, add `git-extras` to the plugins array in your zshrc file:
12