diff --git a/README.md b/README.md
index 79de0e7..4f860fa 100644
--- a/README.md
+++ b/README.md
@@ -1675,7 +1675,7 @@ An example using the [sprite mixins](#sprites):
 .social a.twitter {
 	background-position: 0 -50px;
 }
-.social a.twitter {
+.social a.facebook {
 	background-position: 0 -100px;
 }
 .social a.youtube {