diff --git a/README.md b/README.md
index 6d5e852..93cfe8f 100644
--- a/README.md
+++ b/README.md
@@ -218,7 +218,7 @@ Powerline (`-t powerline`):
 
 ![Powerline](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/themes/powerline.png)
 
-Greyish Powerline (`-t greyish-powerline`)
+Greyish Powerline (`-t greyish-powerline`) (contributed by Joshua Bark):
 
 ![Greyish Powerline](https://github.com/tobi-wan-kenobi/bumblebee-status/blob/master/screenshots/themes/powerline-greyish.png)