diff --git a/docs/tutorial/PyMISP Objects.ipynb b/docs/tutorial/PyMISP Objects.ipynb
index d7ee112..9b139b4 100644
--- a/docs/tutorial/PyMISP Objects.ipynb	
+++ b/docs/tutorial/PyMISP Objects.ipynb	
@@ -146,7 +146,7 @@
    "metadata": {},
    "outputs": [],
    "source": [
-    "attribute.add_tag('tlp:amber')\n",
+    "attribute_second.add_tag('tlp:amber')\n",
     "\n",
     "print(attribute_second.to_json())"
    ]
@@ -291,6 +291,45 @@
     "print(bin_obj.references[0].to_json())"
    ]
   },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Change creator"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from pymisp import MISPOrganisation\n",
+    "orgc = MISPOrganisation()\n",
+    "orgc.name = 'bazbaz'\n",
+    "orgc.id = 15\n",
+    "orgc.uuid = '5888a98d-a7e8-4183-94bb-4d19950d210f'\n",
+    "# NOTE: Pushing this object will only work if the user has sync right (if not, the orgc key will be ignored)\n",
+    "event.Orgc = orgc"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "metadata": {},
+   "source": [
+    "## Mark event as published"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "event.publish()\n",
+    "print(event.published)"
+   ]
+  },
   {
    "cell_type": "markdown",
    "metadata": {},