Document stats_period

diff --git a/doc/config.txt b/doc/config.txt
index 27abb7e09120fbd3cf5a69fc8f0f87e05d7e82ea..8592e10308df0fc9bbc72175f5c6bb7564d435c2 100644 (file)
--- a/doc/config.txt
+++ b/doc/config.txt
@@ -248,6 +248,12 @@ Log error messages pooler sends to clients.
 
 Default: 1
 
+==== stats_period ====
+
+Period for writing aggregated stats into log.
+
+Default: 60
+
 === Console access control ===
 
 ==== admin_users ====