Version in base suite: 20.10.1-1
Base version: command-not-found_20.10.1-1
Target version: command-not-found_20.10.1-1+deb11u1
Base files: command-not-found_20.10.1-1.dsc
Target files: command-not-found_20.10.1-1+deb11u1.dsc

-W: odd-historical-debian-changelog-version 20.10.1 (for non-native)