diff --git a/modules/launchd/launchd.nix b/modules/launchd/launchd.nix
index b1a2d395b..32fa78155 100644
--- a/modules/launchd/launchd.nix
+++ b/modules/launchd/launchd.nix
@@ -342,7 +342,7 @@ with lib;
 
     StartCalendarInterval = mkOption {
       default = null;
-      example = { Hour = 2; Minute = 30; };
+      example = [{ Hour = 2; Minute = 30; }];
       description = lib.mdDoc ''
         This optional key causes the job to be started every calendar interval as specified. Missing arguments
         are considered to be wildcard. The semantics are much like `crontab(5)`.  Unlike cron which skips job