If `-m <msg>` or `-F <file>` is given and `-a`, `-s`, and `-u <key-id>`
are absent, `-a` is implied.
-Otherwise just a tag reference for the SHA1 object name of the commit object is
+Otherwise just a tag reference for the SHA-1 object name of the commit object is
created (i.e. a lightweight tag).
A GnuPG signed tag object will be created when `-s` or `-u