diff --git a/doc/sphinx/man/perfdhcp.8.rst b/doc/sphinx/man/perfdhcp.8.rst
index 1319f2077f6b9322d5306b634fc13ec720a002e1..9d77ef328483c1a9e19405c916438c14b8ec5a9d 100644
--- a/doc/sphinx/man/perfdhcp.8.rst
+++ b/doc/sphinx/man/perfdhcp.8.rst
@@ -15,7 +15,7 @@ perfdhcp - DHCP benchmarking tool
 Synopsis
 ~~~~~~~~
 
-:program:`perfdhcp` [**-1**] [**-4**|**-6**] [**-A** encapsulation-level] [**-b** base] [**-B**] [**-c**] [**-d** drop-time] [**-D** max-drop] [-e lease-type] [**-E** time-offset] [**-f** renew-rate] [**-F** release-rate] [**-g** thread-mode] [**-h**] [**-i**] [**-I** ip-offset] [**-l** local-address|interface] [**-L** local-port] [**-M** mac-list-file] [**-n** num-request] [**-N** remote-port] [**-O** random-offset] [**-o** code,hexstring] [**-p** test-period] [**-P** preload] [**-r** rate] [**-R** num-clients] [**-s** seed] [**-S** srvid-offset] [**--scenario** name] [**-t** report] [**-T** template-file] [**-v**] [**-W** exit-wait-time] [**-w** script_name] [**-x** diagnostic-selector] [**-X** xid-offset] [server]
+:program:`perfdhcp` [**-1**] [**-4** | **-6**] [**-A** encapsulation-level] [**-b** base] [**-B**] [**-c**] [**-d** drop-time] [**-D** max-drop] [-e lease-type] [**-E** time-offset] [**-f** renew-rate] [**-F** release-rate] [**-g** thread-mode] [**-h**] [**-i**] [**-I** ip-offset] [**-l** local-address|interface] [**-L** local-port] [**-M** mac-list-file] [**-n** num-request] [**-N** remote-port] [**-O** random-offset] [**-o** code,hexstring] [**-p** test-period] [**-P** preload] [**-r** rate] [**-R** num-clients] [**-s** seed] [**-S** srvid-offset] [**--scenario** name] [**-t** report] [**-T** template-file] [**-v**] [**-W** exit-wait-time] [**-w** script_name] [**-x** diagnostic-selector] [**-X** xid-offset] [server]
 
 Description
 ~~~~~~~~~~~