diff --git a/assignment4/Assignment4.ipynb b/assignment4/Assignment4.ipynb
index b25b495..81aa614 100644
--- a/assignment4/Assignment4.ipynb
+++ b/assignment4/Assignment4.ipynb
@@ -241,6 +241,7 @@
       "source": [
         "#\n",
         "# Fit a linear SVM using libsvm\n",
+        "# Use parameter C=10 to be able to compare plots and to have a reference in problem 2\n",
         "#\n",
         "\n",
         "svm_model = TODO\n",