Fix syntax highlighting err

Author: vcaesar

en/06.1.md

@@ -59,11 +59,12 @@ Go uses the `SetCookie` function in the `net/http` package to set cookies:
 	}
 ```
 Here is an example of setting a cookie:
+
 ```Go
 	expiration := time.Now().Add(365 * 24 * time.Hour)
 	cookie := http.Cookie{Name: "username", Value: "astaxie", Expires: expiration}
 	http.SetCookie(w, &cookie)
-```　　
+```
 
 ## Fetch cookies in Go