doc: Clarify documentation of server_lifetime

fixes #305

diff --git a/doc/config.rst b/doc/config.rst
index c6064db240370232967bb7004eb963df8c38b2b8..e4d40c765cf66cd0361a616aac28d1e5a694319a 100644 (file)
--- a/doc/config.rst
+++ b/doc/config.rst
@@ -462,7 +462,7 @@ Default: SELECT 1;
 server_lifetime
 ---------------
 
-The pooler will try to close server connections that have been connected longer
+The pooler will close an unused server connection that has been connected longer
 than this. Setting it to 0 means the connection is to be used only once,
 then closed. [seconds]