diff --git a/labs/OATD_LR4.ipynb b/labs/OATD_LR4.ipynb
index 3da91e2..f0a7aca 100644
--- a/labs/OATD_LR4.ipynb
+++ b/labs/OATD_LR4.ipynb
@@ -163,7 +163,7 @@
    "source": [
     "!wget -O poems.txt http://uit.mpei.ru/git/main/TDA/raw/branch/master/assets/poems/pushkin.txt\n",
     "\n",
-    "# Маяковский: http://uit.mpei.ru/git/main/TDA/src/branch/master/assets/poems/mayakovskiy.txt\n"
+    "# Маяковский: http://uit.mpei.ru/git/main/TDA/raw/branch/master/assets/poems/mayakovskiy.txt\n" 
    ]
   },
   {