diff --git a/ProgrammingAssignment_3/ProgrammingAssignment3_NB.ipynb b/ProgrammingAssignment_3/ProgrammingAssignment3_NB.ipynb
index 098167589041859da76fd7b4a385b54af109c723..85c2b723f0fcdabb4b9ad4daf94d45eccb0cfdc1 100644
--- a/ProgrammingAssignment_3/ProgrammingAssignment3_NB.ipynb
+++ b/ProgrammingAssignment_3/ProgrammingAssignment3_NB.ipynb
@@ -11,7 +11,7 @@
     "* implement a Naive Bayes spam classifier\n",
     "    * address sparse data problem with **pseudocounts** (**$m$-estimate**)\n",
     "    \n",
-    "A skeleton of a general supervised learning model is provided in \"model.ipynb\". We won't make any implementations for this part of homework 2. A confusion matrix implementation is provided for you in \"model.ipynb\".\n",
+    "A skeleton of a general supervised learning model is provided in \"model.ipynb\". We won't make any implementations for this part of homework 3. A confusion matrix implementation is provided for you in \"model.ipynb\".\n",
     "\n",
     "### Note:\n",
     "\n",