diff --git a/ipynb/AlphaCode.ipynb b/ipynb/AlphaCode.ipynb
index dcf76b1..9cb92f4 100644
--- a/ipynb/AlphaCode.ipynb
+++ b/ipynb/AlphaCode.ipynb
@@ -26,7 +26,7 @@
    "source": [
     "It is very impressive indeed that AlphaCode  comes up with a program that  correctly solves the problem.\n",
     "\n",
-    "Still, the code could be improved. Here is my quick code review (in red) pointing out nine issues: \n",
+    "Still, the code could be improved. Here is my quick code review (in red) pointing out ten issues: \n",
     "\n",
     "![](alphacode-backspace.png)"
    ]