Index: wp-includes/category-template.php
===================================================================
--- wp-includes/category-template.php	(revision 18265)
+++ wp-includes/category-template.php	(working copy)
@@ -82,7 +82,7 @@
 		_make_cat_compat( $categories[$key] );
 	}
 
-	// Filter name is plural because we return alot of categories not just one
+	// Filter name is plural because we return a lot of categories not just one
 	return apply_filters( 'get_the_categories', $categories );
 }