diff --git a/OSC/osc_pr_manual.ipynb b/OSC/osc_pr_manual.ipynb
index f60e9790..e539ebf4 100644
--- a/OSC/osc_pr_manual.ipynb
+++ b/OSC/osc_pr_manual.ipynb
@@ -450,9 +450,9 @@
    "source": [
     "## Alternatives\n",
     "\n",
-    "- EarthCODE provides a [GUI editor](http://workspace.earthcode.earthcode.eox.at/osc-editor) to automatically create links and open a PR for you.\n",
+    "- EarthCODE provides a [GUI editor](http://workspace.earthcode.eox.at) to automatically create links and open a PR for you.\n",
     "- If you are using one of the EarthCODE platforms, they provide specialised tools for automatic this work.\n",
-    "- You can use libraries like pystac to automate some of the required work. This tutorial shows how."
+    "- You can use libraries like pystac to automate some of the required work. [This tutorial](./osc_pr_pystac.ipynb) shows how."
    ]
   }
  ],