Maven plugin : warning about flyway.configFile

[lrozenblyum]

What version of Flyway are you using?

4.0.1

What database are you using (type & version)?

PostgreSQL 9.4

What operating system are you using?

Windows7

What did you do?

(Please include the content causing the issue, any relevant configuration settings, and the command you ran)
Run
mvn flyway:info -Dflyway.configFile=flyway2.properties

What did you expect to see?

No warnings about flyway.configFile - it's a documented property from https://flywaydb.org/documentation/maven/

What did you see instead?

[WARNING] Unknown configuration property: flyway.configFile

NOTE: Probably validation of flyway properties should be revised. It looks like it marks as unknown - pretty good supported properties (it looks similar to #1298 )