diff --git a/lesson_0_comments.ipynb b/lesson_0_comments.ipynb
index 716cc33..f5faaad 100644
--- a/lesson_0_comments.ipynb
+++ b/lesson_0_comments.ipynb
@@ -19,7 +19,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
+   "execution_count": 7,
    "metadata": {},
    "outputs": [
     {
@@ -40,7 +40,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
+   "execution_count": 8,
    "metadata": {},
    "outputs": [
     {
@@ -55,7 +55,7 @@
    ],
    "source": [
     "# Go ahead and change the comments.\n",
-    "# See how python uses them as arguments.s\n",
+    "# See how python uses them as arguments.\n",
     "\n",
     "result = add()  # 1 2\n",
     "print(result)\n",