diff --git a/ipynb/TruncatablePrimes.ipynb b/ipynb/TruncatablePrimes.ipynb
index 37ed75b..7ecf305 100644
--- a/ipynb/TruncatablePrimes.ipynb
+++ b/ipynb/TruncatablePrimes.ipynb
@@ -17,7 +17,7 @@
     "\n",
     "    357686312646216567629137 is prime\n",
     "     57686312646216567629137 is prime\n",
-    "      7686312646216567629137 is prime|\n",
+    "      7686312646216567629137 is prime\n",
     "                 ...\n",
     "                         137 is prime\n",
     "                          37 is prime\n",