diff --git a/man/dnsmanagerd.1 b/man/dnsmanagerd.1
index 20d42a5..4a207b0 100644
--- a/man/dnsmanagerd.1
+++ b/man/dnsmanagerd.1
@@ -17,6 +17,7 @@ daemon is a micro-service providing DNS domains and zones management.
 .Op Fl snh
 .Op Fl v Ar verbosity
 .Op Fl -project Ar project-name
+.Op Fl -configuration Ar file
 .
 .Op Fl -service-name Ar name
 .Op Fl -storage-directory Ar path
@@ -154,13 +155,16 @@ Array of String, []
 .Bl -tag -width "-t activation-template-name,"
 .It Li -s , --simulation
 Print configuration then quit.
-.
+
 .It Li -n , --no-configuration
 No configuration file should be read.
-.
+
 .It Li -v No verbosity , Li --verbosity No level
 Verbosity level. From 0 to 4. Default: 4.
-.
+
+.It Li --configuration No file
+Alternative configuration file.
+
 .It Li --project No project-name
 Project name, used for slotting to enable several instances of
 .Nm authd
@@ -169,10 +173,10 @@ Will search in
 .Pa $XDG_CONFIG_HOME/baguette/<project-name>/auth.yml
 then
 .Pa /etc/baguette/<project-name>/auth.yml .
-.
+
 .It Li -h , --help
 Show some help, but won't cover as much as the actual manual.
-.
+
 .It Li --service-name No name
 Name of the
 .Xr libipc 7