diff --git a/drivers/net/ethernet/cortina/Kconfig b/drivers/net/ethernet/cortina/Kconfig
index ac8cb5744a87..aaf9e294b70b 100644
--- a/drivers/net/ethernet/cortina/Kconfig
+++ b/drivers/net/ethernet/cortina/Kconfig
@@ -7,7 +7,7 @@ config NET_VENDOR_CORTINA
 	help
 	  If you have a network (Ethernet) card belonging to this class, say Y
 	  and read the Ethernet-HOWTO, available from
-	  <http://www.tldp.org/docs.html#howto>.
+	  <https://www.tldp.org/docs.html#howto>.
 
 if NET_VENDOR_CORTINA