Use meaningful parameter name in ParseKeySetFromJson
diff --git a/core/src/main/java/org/jclouds/chef/functions/ParseKeySetFromJson.java b/core/src/main/java/org/jclouds/chef/functions/ParseKeySetFromJson.java
index b24d668..06714aa 100644
--- a/core/src/main/java/org/jclouds/chef/functions/ParseKeySetFromJson.java
+++ b/core/src/main/java/org/jclouds/chef/functions/ParseKeySetFromJson.java
@@ -41,8 +41,8 @@
    }
 
    @Override
-   public Set<String> apply(HttpResponse arg0) {
-      return json.apply(arg0).keySet();
+   public Set<String> apply(HttpResponse response) {
+      return json.apply(response).keySet();
 
    }
 }