add note about nm_db_limit to README

Signed-off-by: Karel Zak <kzak@redhat.com>

diff --git a/README.notmuch b/README.notmuch
index 1183bf06f67e3a7c97de4a10f8f9264b181ee778..77f133d8092d0c9a1798820388acb57d2fd099d5 100644 (file)
--- a/README.notmuch
+++ b/README.notmuch
@@ -64,7 +64,8 @@ notmuch support for mutt
 
       limit=<number>
 
-         Restricts number of messages/threads in the result.
+         Restricts number of messages/threads in the result. The default limit
+         is nm_db_limit.
 
       type=<threads|messages>
 
@@ -151,6 +152,12 @@ notmuch support for mutt
 
       Default is "unread".
 
+   nm_db_limit = <num>
+
+     This variable specifies notmuch query limit.
+
+     Default is unlimited.
+
    vfolder_format = <string>
 
       This variable allows you to customize the file browser display for virtual