Docs: Fix links of GLTFLoader page

docs/examples/loaders/GLTFLoader.html

@@ -12,8 +12,8 @@
 		<h1>[name]</h1>
 
 		<p class="desc"> A loader for <em>glTF 2.0</em> resources. <br /><br />
-		<a href="https://www.khronos.org/gltf">glTF</a> (GL Transmission Format) is an
-		<a href="https://github.com/KhronosGroup/glTF/tree/master/specification/2.0">open format specification</a>
+		[link:https://www.khronos.org/gltf glTF] (GL Transmission Format) is an
+		[link:https://github.com/KhronosGroup/glTF/tree/master/specification/2.0 open format specification]
 		for efficient delivery and loading of 3D content. Assets may be provided either in JSON (.gltf)
 		or binary (.glb) format. External files store textures (.jpg, .png) and additional binary
 		data (.bin). A glTF asset may deliver one or more scenes, including meshes, materials,
@@ -24,7 +24,7 @@
 
 		<p>
 			GLTFLoader supports the following
-			<a target="_blank" href="https://github.com/KhronosGroup/glTF/tree/master/extensions/">glTF 2.0 extensions</a>:
+			[link:https://github.com/KhronosGroup/glTF/tree/master/extensions/ glTF 2.0 extensions]:
 		</p>
 
 		<ul>
@@ -60,7 +60,7 @@
 				gltf.asset; // Object
 
 			},
-			// called while loading is progressing
+			// called when loading is in progresses
 			function ( xhr ) {
 
 				console.log( ( xhr.loaded / xhr.total * 100 ) + '% loaded' );
@@ -79,9 +79,9 @@
 
 		<h2>Browser compatibility</h2>
 
-		<p>GLTFLoader relies on ES6 <a href="https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise">Promises</a>,
+		<p>GLTFLoader relies on ES6 [link:https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Global_Objects/Promise Promises],
 		which are not supported in IE11. To use the loader in IE11, you must
-		<a href="https://github.com/stefanpenner/es6-promise">include a polyfill</a>
+		[link:https://github.com/stefanpenner/es6-promise include a polyfill]
 		providing a Promise replacement.</p>
 
 		<h2>Custom extensions</h2>