diff --git a/COMPATIBILITY b/COMPATIBILITY
index 9ab088db88..81b41ce278 100644
--- a/COMPATIBILITY
+++ b/COMPATIBILITY
@@ -37,4 +37,4 @@ Files).
 Internet Explorer < 8.0
 This browser submits incorrect data when using the <BUTTON> element and is not
 supported.  Users of Windows XP and Vista may try Internet Explorer 8 or 
-Firefox at their option. Users of older versions of WIndows should use Firefox.
+Firefox at their option. Users of older versions of Windows should use Firefox.