diff --git a/_config.yml b/_config.yml
index 3bf298e..9e3a4bc 100644
--- a/_config.yml
+++ b/_config.yml
@@ -7,7 +7,9 @@ logo: resources/logo.jpg
 copyright: "2021"
 only_build_toc_files: true
 
-use_binder_button: false
+launch_buttons:
+  colab_url: https://colab.research.google.com
+  binderhub_url: "" # not supported for now
 
 execute:
   execute_notebooks: off
diff --git a/overview-burgers-forw.ipynb b/overview-burgers-forw.ipynb
index c65b47a..1532fe2 100644
--- a/overview-burgers-forw.ipynb
+++ b/overview-burgers-forw.ipynb
@@ -9,7 +9,7 @@
     "\n",
     "The main repository for Φ<sub>Flow</sub> (in the following \"phiflow\") is [https://github.com/tum-pbs/PhiFlow](https://github.com/tum-pbs/PhiFlow), and additional API documentation and examples can be found at [https://tum-pbs.github.io/PhiFlow/](https://tum-pbs.github.io/PhiFlow/).\n",
     "\n",
-    "For this jupyter notebook (and all following ones), you can find a _\"[run in colab]\"_ link at the end of the first paragraph. This link will load the latest version from the PBDL github repo in a colab notebook that you can execute on the spot: \n",
+    "For this jupyter notebook (and all following ones), you can find a _\"[run in colab]\"_ link at the end of the first paragraph (alternatively you can use the launch button at the top of the page). This will load the latest version from the PBDL github repo in a colab notebook that you can execute on the spot: \n",
     "[[run in colab]](https://colab.research.google.com/github/tum-pbs/pbdl-book/blob/main/overview-burgers-forw.ipynb)\n",
     "\n",
     "## Model\n",
@@ -309,4 +309,4 @@
  },
  "nbformat": 4,
  "nbformat_minor": 4
-}
\ No newline at end of file
+}