X-Git-Url: https://diplodocus.org/git/nmh/blobdiff_plain/c05210483d82bf5f3786725ff80e12444088a701..93bd0519e7383755a82da4aeff3e1e368f048525:/man/inc.man

diff --git a/man/inc.man b/man/inc.man
index 540b3786..44153a50 100644
--- a/man/inc.man
+++ b/man/inc.man
@@ -47,6 +47,14 @@ incorporates mail from the user's incoming mail drop into
 an
 .B nmh
 folder.
+If the mail drop is a file, it can be in
+.B mbox
+or
+.B MMDF
+format.
+If the mail drop is a directory it will considered to be a
+.B Maildir
+format mail drop.
 .PP
 You may specify which folder to use with
 .IR +folder .