diff --git a/Exercise5/exercise5.ipynb b/Exercise5/exercise5.ipynb
index 5182c278..5da0c5f5 100755
--- a/Exercise5/exercise5.ipynb
+++ b/Exercise5/exercise5.ipynb
@@ -396,7 +396,7 @@
     "        A vector of shape m. error_train[i] contains the training error for\n",
     "        i examples.\n",
     "    error_val : array_like\n",
-    "        A vecotr of shape m. error_val[i] contains the validation error for\n",
+    "        A vector of shape m. error_val[i] contains the validation error for\n",
     "        i training examples.\n",
     "    \n",
     "    Instructions\n",