From ce18ddbb703a3d9782df468ae9535d417bf72cd1 Mon Sep 17 00:00:00 2001
From: Michael Elliot Braun <mebrauns@hotmail.com>
Date: Thu, 12 May 2016 08:48:10 -0700
Subject: [PATCH] update seis challenge

---
 docs/lessons/seismograph.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/lessons/seismograph.md b/docs/lessons/seismograph.md
index 0e936268..1860a0c3 100644
--- a/docs/lessons/seismograph.md
+++ b/docs/lessons/seismograph.md
@@ -9,7 +9,7 @@ Acceleration & Analog Read Pin
 ## Quick Links
 
 * [activity](/lessons/seismograph/activity)
-* [challenge](/lessons/seismograph/challenges)
+* [challenge](/lessons/seismograph/challenge)
 
 ## Prior learning/place of lesson in scheme of work