diff --git a/lib/OpenLayers/Layer/WFS.js b/lib/OpenLayers/Layer/WFS.js
index d7a6641d81..f487d2a912 100644
--- a/lib/OpenLayers/Layer/WFS.js
+++ b/lib/OpenLayers/Layer/WFS.js
@@ -157,10 +157,10 @@ OpenLayers.Layer.WFS.prototype =
      * 
      * Once params have been changed, we will need to re-init our tiles
      * 
-     * @param {Object} params Hashtable of new params to use
+     * @param {Object} newParams Hashtable of new params to use
      */
-    mergeNewParams:function(params) {
-        var upperParams = OpenLayers.Util.upperCaseObject(params);
+    mergeNewParams:function(newParams) {
+        var upperParams = OpenLayers.Util.upperCaseObject(newParams);
         var newArguments = [upperParams];
         OpenLayers.Layer.Grid.prototype.mergeNewParams.apply(this, newArguments);
 
diff --git a/lib/OpenLayers/Layer/WMS.js b/lib/OpenLayers/Layer/WMS.js
index 91852d61fa..af83b29278 100644
--- a/lib/OpenLayers/Layer/WMS.js
+++ b/lib/OpenLayers/Layer/WMS.js
@@ -121,10 +121,10 @@ OpenLayers.Layer.WMS.prototype =
      * 
      * Once params have been changed, we will need to re-init our tiles
      * 
-     * @param {Object} params Hashtable of new params to use
+     * @param {Object} newParams Hashtable of new params to use
      */
-    mergeNewParams:function(params) {
-        var upperParams = OpenLayers.Util.upperCaseObject(params);
+    mergeNewParams:function(newParams) {
+        var upperParams = OpenLayers.Util.upperCaseObject(newParams);
         var newArguments = [upperParams];
         OpenLayers.Layer.Grid.prototype.mergeNewParams.apply(this, 
                                                              newArguments);