add hint

Author: righettod

docs/8-CODEREVIEW_UTILS.md

@@ -191,7 +191,7 @@ for value in ["", " "]:
   * When applied against a **string** value:
     * `%s` renders the string as-is.
     * `%r` shows escape characters and quotes, making **invisible characters visible**.
-  * Therefore `%r` is privilegied to prevent exposure to log forging when a string value need to be logged.
+  * Therefore `%r` is preferred to prevent exposure to log forging when a string value need to be logged.
 
 ```python
 import logging