diff --git a/sources/01a-download-process.ipynb b/sources/01a-download-process.ipynb
index a3ed149..a62c4d1 100644
--- a/sources/01a-download-process.ipynb
+++ b/sources/01a-download-process.ipynb
@@ -974,12 +974,12 @@
      "name": "stdout",
      "output_type": "stream",
      "text": [
-      "Downloaded 0.00GB\n"
+      "Downloaded 3.78GB\n"
      ]
     }
    ],
    "source": [
-    "downloaded_bytes_total = sum(p['downloaded_bytes'] for p in downloads.values())\n",
+    "downloaded_bytes_total = sum(p['size'] for p in downloads.values())\n",
     "print(f'Downloaded {(downloaded_bytes_total / 1024 ** 3):.2f}GB')"
    ]
   },