Update Material.html

docs/api/materials/Material.html

@@ -40,7 +40,7 @@
 
 		<h3>.[page:Boolean transparent]</h3>
 		<div>
-		Defines whether this material is transparent. This has an effect on rendering, as transparent objects need an special treatment, and are rendered after the opaque (i.e. non transparent) objects. For a working example of this behaviour, check the [page:WebGLRenderer WebGLRenderer] code.
+		Defines whether this material is transparent. This has an effect on rendering, as transparent objects need special treatment, and are rendered after the opaque (i.e. non transparent) objects. For a working example of this behaviour, check the [page:WebGLRenderer WebGLRenderer] code.
 		</div>
 		<div>Default is *false*.</div>