diff --git a/frameworks/compass/stylesheets/compass/utilities/general/_clearfix.scss b/frameworks/compass/stylesheets/compass/utilities/general/_clearfix.scss
index 2959e5ae..73f9254c 100644
--- a/frameworks/compass/stylesheets/compass/utilities/general/_clearfix.scss
+++ b/frameworks/compass/stylesheets/compass/utilities/general/_clearfix.scss
@@ -18,7 +18,7 @@
 // [Easy Clearing](http://www.positioniseverything.net/easyclearing.html)
 // has the advantage of allowing positioned elements to hang
 // outside the bounds of the container at the expense of more tricky CSS.
-@mixin pie-clearfix {
+@mixin legacy-pie-clearfix {
   &:after {
     content    : "\0020";
     display    : block;
@@ -30,14 +30,14 @@
   @include has-layout;
 }
 
-// An update to the PIE clearfix method that reduces the amount of CSS required
-// [A new micro clearfix hack](http://nicolasgallagher.com/micro-clearfix-hack/) (25 April 2011)
-@mixin micro-clearfix {
-  &:before, &:after {
+// This is an updated version of the PIE clearfix method that reduces the amount of CSS output.
+// If you need to support Firefox before 3.5 you need to use `legacy-pie-clearfix` instead.
+//
+// Adapted from: [A new micro clearfix hack](http://nicolasgallagher.com/micro-clearfix-hack/)
+@mixin pie-clearfix {
+  &:after {
     content: "";
     display: table;
-  }
-  &:after {
     clear: both;
   }
   @include has-layout;