diff --git a/Filter.md b/Filter.md
index 09f9ad3..46b796d 100644
--- a/Filter.md
+++ b/Filter.md
@@ -5,7 +5,7 @@ Each Style-Rule can optionally have a Filter attached. Mapnik walks through all
 In XML [character entities](http://en.wikipedia.org/wiki/List_of_XML_and_HTML_character_entity_references) are used to construct filters. You can use the following characters to specify value-comparisons:
 
  * Greater Than: `>`
- * Greater Then or Equal: `>=`
+ * Greater Than or Equal: `>=`
  * Less Than: `<`
  * Less Than or Equal: `<=`
  * Equal: `=`