X-Git-Url: https://git.notmuchmail.org/git?p=notmuch;a=blobdiff_plain;f=doc%2Fman7%2Fnotmuch-properties.rst;h=f70ffb3ca3ae706b7f74393eb48b1f0d6375d93d;hp=8654077c1f6983a371b1dbe9fbf764f6d67e5fe1;hb=0bb05ff693737c5b91d6a64f6209984a6c418c46;hpb=6575b7eb31a710c8215be698d5cf31be20d4356e

diff --git a/doc/man7/notmuch-properties.rst b/doc/man7/notmuch-properties.rst
index 8654077c..f70ffb3c 100644
--- a/doc/man7/notmuch-properties.rst
+++ b/doc/man7/notmuch-properties.rst
@@ -41,6 +41,12 @@ Extensions to notmuch which make use of properties are encouraged to
 report the specific properties used to the upstream notmuch project,
 as a way of avoiding collisions in the property namespace.
 
+CONVENTIONS
+===========
+
+Any property with a key that starts with "index." will be removed (and
+possibly re-set) upon reindexing (see **notmuch-reindex(1)**).
+
 SEE ALSO
 ========