Fix closing </em>

docs/examples/exporters/GLTFExporter.html

@@ -84,7 +84,7 @@
 			<li>animations - Array<[page:AnimationClip AnimationClip]>. List of animations to be included in the export.</li>
 			<li>forceIndices - bool. Generate indices for non-index geometry and export with them. Default is false.</li>
 			<li>forcePowerOfTwoTextures - bool. Export with images resized to POT size. This option works only if embedImages is true. Default is false.</li>
-			<li>includeCustomExtensions - bool. Export custom glTF extensions defined on an object's <em>userData.gltfExtensions<em> property. Default is false.</li>
+			<li>includeCustomExtensions - bool. Export custom glTF extensions defined on an object's <em>userData.gltfExtensions</em> property. Default is false.</li>
 		</ul>
 		</p>
 		<p>