diff --git a/ipynb/Euler3.ipynb b/ipynb/Euler3.ipynb
index 6ffe03f..69c65dc 100644
--- a/ipynb/Euler3.ipynb
+++ b/ipynb/Euler3.ipynb
@@ -15,7 +15,7 @@
     "     The prime factors of 13195 are 5, 7, 13 and 29.\n",
     "     What is the largest prime factor of the number 600851475143?\n",
     "\n",
-    "I'll describe here how I think about this problem, at alevel suitable for a novice programmer. There are two things to get right: the general plan of how to attack this problem, and the details of how to say it in Python.\n",
+    "I'll describe here how I think about this problem, at a level suitable for a novice programmer. There are two things to get right: the general plan of how to attack this problem, and the details of how to say it in Python.\n",
     "\n",
     "## The General Plan\n",
     "\n",