.SH "DESCRIPTION"
-Summarizes \fIgit log\fR output in a format suitable for inclusion in release announcements\&.
+Summarizes \fIgit log\fR output in a format suitable for inclusion in release announcements\&. Each commit will be grouped by author the first line of the commit message will be shown\&.
+
+
+Additionally, "[PATCH]" will be stripped from the commit description\&.
+
+.SH "FILES"
+
+.TP
+\fI\&.mailmap\fR
+If this file exists, it will be used for mapping author email addresses to a real author name\&. One mapping per line, first the author name followed by the email address enclosed by \fI<\fR and \fI>\fR\&. Use hash \fI#\fR for comments\&. Example:
+
+.nf
+# Keep alphabetized
+Adam Morrow <adam@localhost\&.localdomain>
+Eve Jones <eve@laptop\&.(none)>
+.fi
.SH "AUTHOR"