@anchor{Stamping}
@section Hashing and stamping
-All targets are checksummed if target's @file{ctime} differs from the
-previous one, or @env{$REDO_INODE_NO_TRUST} environment variable is set.
-@command{apenwarr/redo} gives
+All targets are checksummed if target's size, @code{ctime}/@code{mtime}
+differs from the previous one (depending on @ref{OOD, @env{$REDO_INODE_TRUST}}
+value). @command{apenwarr/redo} gives
@url{https://redo.readthedocs.io/en/latest/FAQImpl/#why-not-always-use-checksum-based-dependencies-instead-of-timestamps, many reasons}
why every time checksumming is bad, but in my opinion in practice all of
them do not apply.