Update WebGLRenderer.html (#26002)

fixed malformed param

docs/api/en/renderers/WebGLRenderer.html

@@ -491,7 +491,7 @@ document.body.appendChild( renderer.domElement );
 		</p>
 
 		<h3>
-			[method:undefined readRenderTargetPixels]( [param:WebGLRenderTarget renderTarget], [param:Float x], [param:Float y], [param:Float width], [param:Float height], [param:TypedArray buffer], [param:IntegeractiveCubeFaceIndex] )
+			[method:undefined readRenderTargetPixels]( [param:WebGLRenderTarget renderTarget], [param:Float x], [param:Float y], [param:Float width], [param:Float height], [param:TypedArray buffer], [param:Integer activeCubeFaceIndex] )
 		</h3>
 		<p>
 			buffer - Uint8Array is the only destination type supported in all cases,