Merge pull request #87050 from OrrThomas/patch-1

added missing word in sentence

Author: ktoliver

articles/active-directory/reports-monitoring/howto-manage-inactive-user-accounts.md

@@ -90,7 +90,7 @@ To generate a lastSignInDateTime timestamp, you need a successful sign-in. Becau
 
 ### For how long is the last sign-in retained?
 
-The last sign-in date is associated with the user object. The value is retained until the sign-in of the user. 
+The last sign-in date is associated with the user object. The value is retained until the next sign-in of the user. 
 
 ## Next steps