diff --git a/src/calibre/db/cli/main.py b/src/calibre/db/cli/main.py
index c56d7b6ae7..5ab56bf483 100644
--- a/src/calibre/db/cli/main.py
+++ b/src/calibre/db/cli/main.py
@@ -88,7 +88,7 @@ def get_parser(usage):
         '--timeout',
         type=float,
         default=120,
-        help=_('The timeout, in seconds when connecting to a calibre library over the network. The default is'
+        help=_('The timeout, in seconds, when connecting to a calibre library over the network. The default is'
                ' two minutes.')
     )