Fix typo

Author: satwikkansal

docs/permission.rst

@@ -41,7 +41,7 @@ The permission manager must be a function that looks like this:
 
     Flask-REST-JSONAPI use a decorator to check permission for each method named has_permission. You can provide args and kwargs to this decorators so you can retrieve this args and kwargs in the permission_manager. The default usage of the permission system does not provides any args or kwargs to the decorator.
 
-If permission is denied I recommand to raise exception like that:
+If permission is denied I recommend to raise exception like that:
 
 .. code-block:: python
 
@@ -83,4 +83,4 @@ Example:
     api = Api()
     api.init_app(app)
     api.permission_manager(permission_manager) # initialize permission system first
-    api.oauth_manager(oauth2) # initialize oauth support second
+    api.oauth_manager(oauth2) # initialize oauth support second