Minor touch-ups

lib/plugins.js

@@ -22,9 +22,9 @@ exports.apply = function applyPlugin(name, modelClass, options) {
 var definePlugin = exports.define = function definePlugin(name, fn) {
   if (typeof fn === 'function') {
     if (registry[name]) {
-      debug('Overwriting plugin: %s', name);
+      debug('Duplicate plugin: %s', name);
     } else {
-      debug('Defined plugin: %s', name);
+      debug('Defining plugin: %s', name);
     }
     registry[name] = fn;
   } else {

lib/plugins/timestamps.js

@@ -20,4 +20,4 @@ module.exports = function timestamps(Model, options) {
       if (creation) data.createdAt = data.updatedAt; 
   };
   
-};
+};

test/plugins.test.js

@@ -41,4 +41,4 @@ describe('Model class', function () {
     });
   });
   
-});
+});