Update content/controllers.md

Author: kamilmysliwiec

content/controllers.md

@@ -202,7 +202,7 @@ findAll() {
 
 The `'ab*cd'` route path will match `abcd`, `ab_cd`, `abecd`, and so on. The characters `?`, `+`, `*`, and `()` may be used in a route path, and are subsets of their regular expression counterparts. The hyphen ( `-`) and the dot (`.`) are interpreted literally by string-based paths.
 
-> **Warning** A wildcard in the middle of the route is only supported by express.
+> warning **Warning** A wildcard in the middle of the route is only supported by express.
 
 #### Status code