diff --git a/README.md b/README.md
index ac2960b..74cf112 100644
--- a/README.md
+++ b/README.md
@@ -66,6 +66,8 @@ Restart i3wm and - that's it!
 # Examples
 Here are some screenshots for all themes that currently exist:
 
+:exclamation: Some themes (all 'Powerline' themes) require [Font Awesome](http://fontawesome.io/) to display icons correctly.
+
 Gruvbox Powerline (`-t gruvbox-powerline`) (contributed by [@paxy97](https://github.com/paxy97)):
 
 ![Gruvbox Powerline](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/themes/powerline-gruvbox.png)