From b11dca20252af94cfad900bf7aa1915844cb07b1 Mon Sep 17 00:00:00 2001
From: Matthew Hodgson <matthew@matrix.org>
Date: Mon, 4 Dec 2017 17:51:33 +0000
Subject: [PATCH] better doc

---
 synapse/config/user_directory.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/synapse/config/user_directory.py b/synapse/config/user_directory.py
index 55b4e553ee..38e8947843 100644
--- a/synapse/config/user_directory.py
+++ b/synapse/config/user_directory.py
@@ -32,9 +32,12 @@ class UserDirectoryConfig(Config):
     def default_config(self, config_dir_path, server_name, **kwargs):
         return """
         # User Directory configuration
+        #
         # 'search_all_users' defines whether to search all users visible to your HS
         # when searching the user directory, rather than limiting to users visible
-        # in public rooms. Defaults to false.
+        # in public rooms.  Defaults to false.  If you set it True, you'll have to run
+        # UPDATE user_directory_stream_pos SET stream_id = NULL;
+        # on your database to tell it to rebuild the user_directory search indexes.
         #
         #user_directory:
         #   search_all_users: false
-- 
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