diff --git a/archiving_sandbox.ipynb b/archiving_sandbox.ipynb
index e371b42..55ac02e 100644
--- a/archiving_sandbox.ipynb
+++ b/archiving_sandbox.ipynb
@@ -6,6 +6,10 @@
    "source": [
     "## Archiving the sandbox\n",
     "\n",
+    "Archiving files / projects from XPUB class of 2020 and 2021.\n",
+    "\n",
+    "Starting point, are files on the local raspberry pi server:\n",
+    "\n",
     "* http://hub.xpub.nl/sandbot/\n",
     "\n",
     "In the \"spider\", the patterns you add are regex's that both **filter the URLs that you want to copy** (so matching a pattern means it becomes part of the archive) and it also **specifies how to rewrite the URL to a local path**\n",