diff --git a/lib/Fhaculty/Graph/Set/Vertices.php b/lib/Fhaculty/Graph/Set/Vertices.php
index e98445e2..b48fdae1 100644
--- a/lib/Fhaculty/Graph/Set/Vertices.php
+++ b/lib/Fhaculty/Graph/Set/Vertices.php
@@ -228,7 +228,7 @@ public function getVertexMatch($callbackCheck)
     }
 
     /**
-     * checks whethere there's a Vertex that matches the given callback filter function
+     * checks whether there's a Vertex that matches the given callback filter function
      *
      * @param callback $callbackCheck
      * @return boolean