Merge pull request #5610 from wso2/fixing-product-is-issue-25714-1759396184

Fix: Correct backup codes usage statement for all affected versions (Product IS issue #25714)

Author: himeshsiriwardana

en/identity-server/6.0.0/docs/guides/mfa/2fa-sms-otp.md

@@ -222,7 +222,7 @@ To allow users to disable SMS OTP:
 
 ### Configure backup codes
 
-Optionally, you can configure backup codes to be used when SMS OTP is disabled.
+Optionally, you can configure backup codes to be used as a fallback when SMS OTP is enabled but temporarily inaccessible (for example, when a user cannot receive the SMS).
 
 To configure backup SMS OTP codes:
 

en/identity-server/6.1.0/docs/guides/mfa/2fa-sms-otp.md

@@ -222,7 +222,7 @@ To allow users to disable SMS OTP:
 
 ### Configure backup codes
 
-Optionally, you can configure backup codes to be used when SMS OTP is disabled.
+Optionally, you can configure backup codes to be used as a fallback when SMS OTP is enabled but temporarily inaccessible (for example, when a user cannot receive the SMS).
 
 To configure backup SMS OTP codes: