diff --git a/drivers/misc/echo/Kconfig b/drivers/misc/echo/Kconfig
index be70b26..ce0a37a 100644
--- a/drivers/misc/echo/Kconfig
+++ b/drivers/misc/echo/Kconfig
@@ -1,7 +1,7 @@
 # SPDX-License-Identifier: GPL-2.0-only
 config ECHO
 	tristate "Line Echo Canceller support"
-	---help---
+	help
 	  This driver provides line echo cancelling support for mISDN and
 	  Zaptel drivers.
 
diff --git a/drivers/misc/echo/echo.c b/drivers/misc/echo/echo.c
index 713e92e..3c4eaba 100644
--- a/drivers/misc/echo/echo.c
+++ b/drivers/misc/echo/echo.c
@@ -66,13 +66,13 @@
        Path Models", IEEE Transactions on communications, COM-25,
        No. 6, June
        1977.
-       http://www.rowetel.com/images/echo/dual_path_paper.pdf
+       https://www.rowetel.com/images/echo/dual_path_paper.pdf
 
    [2] The classic, very useful paper that tells you how to
        actually build a real world echo canceller:
 	 Messerschmitt, Hedberg, Cole, Haoui, Winship, "Digital Voice
 	 Echo Canceller with a TMS320020,
-	 http://www.rowetel.com/images/echo/spra129.pdf
+	 https://www.rowetel.com/images/echo/spra129.pdf
 
    [3] I have written a series of blog posts on this work, here is
        Part 1: http://www.rowetel.com/blog/?p=18
@@ -80,7 +80,7 @@
    [4] The source code http://svn.rowetel.com/software/oslec/
 
    [5] A nice reference on LMS filters:
-	 http://en.wikipedia.org/wiki/Least_mean_squares_filter
+	 https://en.wikipedia.org/wiki/Least_mean_squares_filter
 
    Credits: