Improve wording on the 'SN changed' popup after verification

FREEBIE

_locales/en/messages.json

@@ -96,7 +96,7 @@
       }
     },
     "changedRightAfterVerify": {
-      "message": "Your verification has been cancelled; please review your new safety number with $name$. Remember, this change could mean that someone is trying to intercept your communication or that $name$ has simply reinstalled Signal.",
+      "message": "The safety number you are trying to verify has changed. Please review your new safety number with $name$. Remember, this change could mean that someone is trying to intercept your communication or that $name$ has simply reinstalled Signal.",
       "description": "Shown on the safety number screen when the user has selected to verify/unverify a contact's safety number, and we immediately discover a safety number change",
       "placeholders": {
         "name": {