diff --git a/core/commands/dns.go b/core/commands/dns.go
index 4d7fc5d0c..2d1745618 100644
--- a/core/commands/dns.go
+++ b/core/commands/dns.go
@@ -50,7 +50,7 @@ The resolver will give:
 		cmds.StringArg("domain-name", true, false, "The domain-name name to resolve.").EnableStdin(),
 	},
 	Options: []cmds.Option{
-		cmds.BoolOption("recursive", "r", "Resolve until the result is not a DNS link."),
+		cmds.BoolOption("recursive", "r", "Resolve until the result is not a DNS link. Default: false."),
 	},
 	Run: func(req cmds.Request, res cmds.Response) {