improve doc consistency

Author: clmath

docs/Promise.md

@@ -3,7 +3,7 @@ layout: doc
 title: requirejs-dplugins/Promise
 ---
 
-# requirejs-dplugins/Promise
+# requirejs-dplugins/Promise!
 
 `requirejs-dplugins/Promise` provides an ES6 Promise implementation. If the browser does not provide it, the
 plugin will load the [lie](https://github.com/calvinmetcalf/lie) implementation.

docs/i18n.md

@@ -3,7 +3,7 @@ layout: doc
 title: requirejs-dplugins/i18n
 ---
 
-# requirejs-dplugins/i18n
+# requirejs-dplugins/i18n!
 
 `requirejs-dplugins/i18n` is a [RequireJS plugin](http://requirejs.org/docs/plugins.html) which provides support for
  localized string.

docs/maybe.md

@@ -3,7 +3,7 @@ layout: doc
 title: requirejs-dplugins/maybe
 ---
 
-# requirejs-dplugins/maybe
+# requirejs-dplugins/maybe!
 
 `requirejs-dplugins/maybe` allows to require modules that may or may not exist.
 If the module is not found, the loader will not crash (like it would do without this plugin) but there is an