diff --git a/lec/x18/1/lec01.ipynb b/lec/x18/1/lec01.ipynb
index c60def7..08b79ea 100644
--- a/lec/x18/1/lec01.ipynb
+++ b/lec/x18/1/lec01.ipynb
@@ -34,7 +34,7 @@
    },
    "outputs": [],
    "source": [
-    "little_women_url = 'https://www.inferentialthinking.com/chapters/01/3/little_women.txt'\n",
+    "little_women_url = 'https://www.inferentialthinking.com/data/little_women.txt'\n",
     "little_women_text = read_url(little_women_url)\n",
     "chapters = little_women_text.split('CHAPTER ')[1:]"
    ]