diff --git a/README.md b/README.md
index 0ae8f45..519a9b0 100644
--- a/README.md
+++ b/README.md
@@ -17,9 +17,9 @@ HTML5 video provides a native API to accelerate playback of any video. The probl
 
 Once the extension is installed simply navigate to any page that offers HTML5 video ([example](http://www.youtube.com/watch?v=E9FxNzv1Tr8)), and you'll see a speed indicator in top left corner. Hover over the indicator to reveal the controls to accelerate, slowdown, and quickly rewind the video. Or, even better, simply use your keyboard:
 
-* **a** - rewind video 10 second.
-* **s** - lower playback speed.
-* **d** - increse playback speed.
+* **a** - rewind video 10 seconds.
+* **s** - decrease playback speed.
+* **d** - increase playback speed.
 
 Note that you can customize these shortcuts in the extension settings page. Also, a few tips for enabling and forcing HTML5 video: