Fix reference to getMessage in exception

Author: James Kingsley

errors.md

@@ -146,7 +146,7 @@ The `abort` helper will immediately raise an exception which will be rendered by
 
 Laravel makes it easy to display custom error pages for various HTTP status codes. For example, if you wish to customize the error page for 404 HTTP status codes, create a `resources/views/errors/404.blade.php`. This file will be served on all 404 errors generated by your application. The views within this directory should be named to match the HTTP status code they correspond to. The `HttpException` instance raised by the `abort` function will be passed to the view as an `$exception` variable:
 
-    <h2>{{ $exception->getMessage }}</h2>
+    <h2>{{ $exception->getMessage() }}</h2>
 
 <a name="logging"></a>
 ## Logging