diff --git a/src/analysis-of-our-trello-board.ipynb b/src/analysis-of-our-trello-board.ipynb
index b3f18bb..f5bcc74 100644
--- a/src/analysis-of-our-trello-board.ipynb
+++ b/src/analysis-of-our-trello-board.ipynb
@@ -7,7 +7,10 @@
    "source": [
     "# Table of contents\n",
     "\n",
-    "* [Finished cards per month](#finished-cards-bar)\n",
+    "* [Number of finished cards per month](#finished-cards-bar)\n",
+    "* [Rolling number of finished cards in last 30 days](#finished-cards-rolling)\n",
+    "* [Current cards in development](#development-cards)\n",
+    "* [Changelog](#changelog)\n",
     "\n",
     "# Date of last generation"
    ]
@@ -421,7 +424,7 @@
    "id": "156bf5cb",
    "metadata": {},
    "source": [
-    "# Rolling view: Finished cards in the last 30 days"
+    "# <span id=\"finished-cards-rolling\">Rolling view: Finished cards in the last 30 days</span>"
    ]
   },
   {
@@ -464,7 +467,7 @@
    "id": "878fbbac",
    "metadata": {},
    "source": [
-    "# Current cards in development"
+    "# <span id=\"development-cards\">Current cards in development</span>"
    ]
   },
   {
@@ -696,7 +699,7 @@
    "id": "2dab756b",
    "metadata": {},
    "source": [
-    "# Changelog"
+    "# <span id=\"changelog\">Changelog</span>"
    ]
   },
   {