From e60844a6af538701c551f64c7827f4f4fe822741 Mon Sep 17 00:00:00 2001
From: Rob Phoenix <robertphoenix@gmail.com>
Date: Fri, 26 Aug 2016 12:49:23 +0100
Subject: [PATCH] add topics to clock exercise in config.json

---
 config.json | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/config.json b/config.json
index 972c791c0e..49e7022e5b 100644
--- a/config.json
+++ b/config.json
@@ -80,8 +80,13 @@
     },
     {
       "slug": "clock",
-      "difficulty": 1,
+      "difficulty": 2,
       "topics": [
+          "classes",
+          "time",
+          "mathematics",
+          "logic",
+          "text formatting"
       ]
     },
     {