diff --git a/ProgrammingAssignment_3/ProgrammingAssignment3_NB.ipynb b/ProgrammingAssignment_3/ProgrammingAssignment3_NB.ipynb
index 85c2b723f0fcdabb4b9ad4daf94d45eccb0cfdc1..eee196b32189644554ac7632f5ecf45fe4029355 100644
--- a/ProgrammingAssignment_3/ProgrammingAssignment3_NB.ipynb
+++ b/ProgrammingAssignment_3/ProgrammingAssignment3_NB.ipynb
@@ -89,7 +89,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "X is a list of lists. Each of its 33,702 entries correspond to a tokenized email. Y is a list. Each entry is a label for the tokenized email at the corresponding position in X. Below are 5 random emails and their corresponding labels."
+    "X is a list of lists. Each of its 33,702 entries correspond to a tokenized email. Y is a list. Each entry is a label for the tokenized email at the corresponding position in X. 1 denotes spam, 0 denotes ham. Below are 5 random emails and their corresponding labels."
    ]
   },
   {