Clarify the type of response we're looking for.

app/Exceptions/Handler.php

@@ -28,7 +28,7 @@ class Handler extends ExceptionHandler {
 	}
 
 	/**
-	 * Render an exception into a response.
+	 * Render an exception into an HTTP response.
 	 *
 	 * @param  \Illuminate\Http\Request  $request
 	 * @param  \Exception  $e