diff --git a/Activity01/Activity01.ipynb b/Activity01/Activity01.ipynb
index 50a9d1c..06bec49 100644
--- a/Activity01/Activity01.ipynb
+++ b/Activity01/Activity01.ipynb
@@ -96,7 +96,8 @@
    "metadata": {
     "collapsed": true,
     "jupyter": {
-     "outputs_hidden": true
+     "outputs_hidden": true,
+     "source_hidden": true
     },
     "scrolled": true
    },