Update JSDoc

This might need fixing later, I don't know if I did it right.

Author: PlNG

src/body/Composite.js

@@ -302,7 +302,7 @@ var Composite = {};
      * Removes all bodies, constraints and composites from the given composite
      * Optionally clearing its children recursively
      * @method clear
-     * @param {world} world
+     * @param {composite} composite
      * @param {boolean} keepStatic
      * @param {boolean} [deep=false]
      */
@@ -643,4 +643,4 @@ var Composite = {};
      * @default []
      */
 
-})();
+})();