Fixed spelling error

liueu -> lieu

document/4-Web_Application_Security_Testing/04-Authentication_Testing/07-Testing_for_Weak_Authentication_Methods.md

@@ -25,7 +25,7 @@ Additionally, applications may utilize alternative credentials that are treated
 6. Is the user prevented from using his username or other account information (such as first or last name) in the password?
 7. What are the minimum and maximum password lengths that can be set, and are they appropriate for the sensitivity of the account and application?
 8. Is it possible to set common passwords such as `Password1` or `123456`?
-9. Is the credential chosen for the user by the application, such as a social security number or a birthdate? Is the credential that's utilized in liueu of a standard password easily obtainable, predictable, or able to be brute forced?
+9. Is the credential chosen for the user by the application, such as a social security number or a birthdate? Is the credential that's utilized in lieu of a standard password easily obtainable, predictable, or able to be brute forced?
 
 ## Remediation