X-Git-Url: https://git.exim.org/exim.git/blobdiff_plain/e8793bad207763b266bedcb9d859e238b6a3a04e..972af88e604546ee2ab1f817b8a098056065dd78:/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