X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/72c9e342b1a4a410efc165a38281da2f5b69ad90..exim-4_83_RC1:/doc/doc-txt/OptionLists.txt

diff --git a/doc/doc-txt/OptionLists.txt b/doc/doc-txt/OptionLists.txt
index 4ad112180..ef6195600 100644
--- a/doc/doc-txt/OptionLists.txt
+++ b/doc/doc-txt/OptionLists.txt
@@ -714,6 +714,7 @@ provide compatibility with Sendmail.
 -oMai          # Supply authenticated id
 -oMas          # Supply authenticated sender
 -oMi           # Supply interface address
+-oMm           # Supply message reference
 -oMr           # Supply protocol name
 -oMs           # Supply host name
 -oMt           # Supply ident string