diff --git a/ipynb/Euler3.ipynb b/ipynb/Euler3.ipynb
index 69c65dc..638612e 100644
--- a/ipynb/Euler3.ipynb
+++ b/ipynb/Euler3.ipynb
@@ -105,7 +105,7 @@
    "id": "8bf8dd51-8e06-4572-85fa-fe42875e0305",
    "metadata": {},
    "source": [
-    "We can represent the execution of the program as a series of equations, one per line.  Using `F` as an abbreviation for `largest_prime_factor`, here is hjow we find the largest prime factor of 360:\n",
+    "We can represent the execution of the program as a series of equations, one per line.  Using `F` as an abbreviation for `largest_prime_factor`, here is how we find the largest prime factor of 360:\n",
     "\n",
     "      F(360) = max(2, F(180))\n",
     "                      F(180) = max(2, F(90))\n",