fixed usage of _.where to accept an object instead of fxn

docs/docs-generator.js

@@ -44,9 +44,7 @@ Comment.prototype.getTag = function(tagName) {
 };
 };
 
 
 Comment.prototype.getTags = function(tagName) {
 Comment.prototype.getTags = function(tagName) {
-  return _.where(this.data.tags, function (tag) {
-    return tag.type === tagName;
-  });
+  return _.where(this.data.tags, { type: tagName });
 };
 };
 
 
 Comment.prototype.hasTag = function(tagName) {
 Comment.prototype.hasTag = function(tagName) {