diff --git a/lecture_material/15-regex_2/regex_2.ipynb b/lecture_material/15-regex_2/regex_2.ipynb
index 30b66e8b57fc86152eb52d33129cc2df2e2f6bfd..e490b747b54eb619e2d78ac8d9cc1b98cf91e87b 100644
--- a/lecture_material/15-regex_2/regex_2.ipynb
+++ b/lecture_material/15-regex_2/regex_2.ipynb
@@ -785,7 +785,7 @@
    "id": "35a15a41",
    "metadata": {},
    "source": [
-    "In CS <b>320</b>, there are <b>40</b> lectures, <b>10</b> quizzes, <b>3</b> exams, <b>6</b> projects, and <b>1000</b> things to learn. CS <b>320</b> is awesome!"
+    "In CS <b>320</b>, there are <b>28</b> lectures, <b>10</b> quizzes, <b>3</b> exams, <b>6</b> projects, and <b>1000</b> things to learn. CS <b>320</b> is awesome!"
    ]
   },
   {