GUAC-1160: Fix remaining reference to protocols within generic form field class.

guacamole/src/main/webapp/app/rest/types/Field.js

@@ -82,7 +82,7 @@ angular.module('rest').factory('Field', [function defineField() {
     };
 
     /**
-     * All valid protocol parameter types.
+     * All valid field types.
      */
     Field.Type = {