diff --git a/docs/clihelp.txt b/docs/clihelp.txt
index 0c0af61..186dc68 100644
--- a/docs/clihelp.txt
+++ b/docs/clihelp.txt
@@ -35,6 +35,8 @@ Commands:
   supported-system remove             remove a supported system
   checksums add                       add checksums to the config file
   checksums prune                     remove unnecessary checksums from the config file
+  checksums sync                      add checksums to the config file and remove unnecessary
+                                      checksums
   init                                create an empty config file
   cache clear                         clear the cache
   version                             show bindown version