diff --git a/chapters/homework/homework1.ipynb b/chapters/homework/homework1.ipynb
index 1d8e60e..3e85fb2 100644
--- a/chapters/homework/homework1.ipynb
+++ b/chapters/homework/homework1.ipynb
@@ -25,7 +25,7 @@
    "source": [
     "```{admonition} Submission Guide\n",
     "\n",
-    "Deadline: **Sunday 11:59 pm, 3th November 2024** \n",
+    "Deadline: **Sunday 11:59 pm, 3rd November 2024** \n",
     "(Note: Late submissions will not be accepted). \n",
     "\n",
     "Please upload your solutions to [Canvas](https://canvas.nus.edu.sg/courses/61921/assignments) in a Jupyter Notebook format with the name \"Homework1_StudentID.ipynb\". Make sure to write down your student ID and full name in the cell below. \n",