diff --git a/arch/sh/Kconfig b/arch/sh/Kconfig
index d8b097cbb6ed..c80c59889b5f 100644
--- a/arch/sh/Kconfig
+++ b/arch/sh/Kconfig
@@ -630,7 +630,7 @@ config SMP
 	  Y to "Enhanced Real Time Clock Support", below.
 
 	  See also <file:Documentation/admin-guide/lockup-watchdogs.rst> and the SMP-HOWTO
-	  available at <http://www.tldp.org/docs.html#howto>.
+	  available at <https://www.tldp.org/docs.html#howto>.
 
 	  If you don't know what to do here, say N.