diff --git a/jupyter.ipynb b/jupyter.ipynb
index 3c9f069..c0c57e0 100644
--- a/jupyter.ipynb
+++ b/jupyter.ipynb
@@ -261,8 +261,11 @@
    },
    "outputs": [],
    "source": [
-    "# Print matrices\n",
     "def print_matrices(img_name, k):\n",
+    "    \"\"\"\n",
+    "    Wyświetlanie macierzy U V S wraz z wymiarami.\n",
+    "    \"\"\"\n",
+    "\n",
     "    if img_name not in gray_images.keys():\n",
     "        return\n",
     "    \n",