doc: document database search algorithm.

[notmuch] / doc / man1 / notmuch.rst

diff --git a/doc/man1/notmuch.rst b/doc/man1/notmuch.rst
index 6bd1dc03e81fe2eeaa7aaeb92490e5c1835cc3b1..c6ee30366264016846701ee4b3c4a9d4df343877 100644 (file)
--- a/doc/man1/notmuch.rst
+++ b/doc/man1/notmuch.rst
@@ -164,6 +164,11 @@ of notmuch.
    Specifies the location of the notmuch configuration file. See
    :any:`notmuch-config(1)` for details.
 
+.. envvar:: NOTMUCH_DATABASE
+
+   Specifies the location of the notmuch database. See
+   :any:`notmuch-config(1)` for details.
+
 .. envvar:: NOTMUCH_PROFILE
 
    Selects among notmuch configurations. See :any:`notmuch-config(1)`