Merge pull request #5174 from abiro/dev

Fixed 'WebGLRenderer.clear' method's description

docs/api/renderers/WebGLRenderer.html

@@ -218,7 +218,7 @@
 
 		<h3>.clear( [page:Boolean color], [page:Boolean depth], [page:Boolean stencil] )</h3>
 		<div>Tells the renderer to clear its color, depth or stencil drawing buffer(s).</div>
-		<div>If no parameters are passed, no buffer will be cleared.</div>
+		<div>Arguments default to true.</div>
 
 		<h3>.addPostPlugin( plugin )</h3>
 		<div>Initialises the postprocessing plugin, and adds it to the renderPluginsPost array.</div>