diff -r 85f0fe1bb78b -r a6d19bc7fed3 cubicweb/server/serverconfig.py
--- a/cubicweb/server/serverconfig.py	Tue Mar 31 16:17:14 2020 +0200
+++ b/cubicweb/server/serverconfig.py	Tue Mar 31 18:12:20 2020 +0200
@@ -129,7 +129,7 @@
           }),
         ('connections-pooler-enabled',
          {'type': 'yn', 'default': True,
-          'help': 'enable the connection pooler',
+          'help': 'Enable the connection pooler. Set to no if you use an external database pooler (e.g. pgbouncer)',
           'group': 'main', 'level': 3,
           }),
         ('connections-pool-size',