diff --git a/mozilla/browser/README.html b/mozilla/browser/README.html
index 7ca7959b576..cd5be6ded5b 100644
--- a/mozilla/browser/README.html
+++ b/mozilla/browser/README.html
@@ -78,7 +78,7 @@
   reasons that development on the trunk is so slow. We feel that
   fewer dependencies (no marketing constraints), faster innovation (no
   UI committees), and more freedom to experiment (no backwards
-  compatability requirements) will lead to a better end product.</p>
+  compatibility requirements) will lead to a better end product.</p>
 
   <h3>Q3. Where do I file bugs on this?</h3>