Improve an registration error log.

libsignal/service/src/main/java/org/whispersystems/signalservice/api/KeyBackupService.java

@@ -182,7 +182,7 @@ public class KeyBackupService {
             Log.i(TAG, "Restore TOKEN_MISMATCH");
             // if the number of tries has not fallen, the pin is correct we're just using an out of date token
             boolean canRetry = remainingTries == status.getTries();
-            Log.i(TAG, String.format(Locale.US, "Token MISMATCH %d %d", remainingTries, status.getTries()));
+            Log.i(TAG, String.format(Locale.US, "Token MISMATCH remainingTries: %d, status.getTries(): %d", remainingTries, status.getTries()));
             throw new TokenException(nextToken, canRetry);
           case MISSING:
             Log.i(TAG, "Restore OK! No data though");