Fix dynamic versioning example (#1338)

cluster/src/main/resources/reference.conf

@@ -108,7 +108,7 @@ pekko {
  #
  # It has support for https://github.com/dwijnand/sbt-dynver format with `+` or
  # `-` separator. The number of commits from the tag is handled as a numeric part.
- # For example `1.0.0+3-73475dce26` is less than `1.0.10+10-ed316bd024` (3 < 10).
+ # For example `1.0.0+3-73475dce26` is less than `1.0.0+10-ed316bd024` (3 < 10).
  app-version = "0.0.0"
 
  # Minimum required number of members before the leader changes member status