Fix typo in security-authorization.md

docs/guide/security-authorization.md

@@ -218,7 +218,7 @@ Building authorization data is all about the following tasks:
 
 Depending on authorization flexibility requirements the tasks above could be done in different ways.
 
-If your persmissions hierarchy doesn't change at all and you have a fixed number of users you can create a console
+If your permissions hierarchy doesn't change at all and you have a fixed number of users you can create a console
 command that will initialize authorization data once via APIs offered by `authManager`:
 
 ```php