diff --git a/00_czysty_kod.ipynb b/00_czysty_kod.ipynb
index 52fd246..0005c78 100644
--- a/00_czysty_kod.ipynb
+++ b/00_czysty_kod.ipynb
@@ -143,17 +143,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
+   "execution_count": null,
    "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "a\n"
-     ]
-    }
-   ],
+   "outputs": [],
    "source": [
     "with open(\"vocabulary.txt\", \"r\") as file:\n",
     "    vocab = file.readlines()\n",