diff --git a/examples/modflow_flopy/inversion_modflow.ipynb b/examples/modflow_flopy/inversion_modflow.ipynb
index 1a33aa2..b094577 100644
--- a/examples/modflow_flopy/inversion_modflow.ipynb
+++ b/examples/modflow_flopy/inversion_modflow.ipynb
@@ -6,6 +6,7 @@
    "source": [
     "# pyPCGA modflow inversion example\n",
     "\n",
+    "Colab Example (10/27/2022): https://colab.research.google.com/drive/1djVDZNjh390czXlzBbu7FvRQne9mf8SP?usp=sharing\n",
     "Requirements : Flopy (tested in ver 3.2.9)\n",
     "\n",
     "For Flopy installation and execution, please see http://www2.hawaii.edu/~jonghyun/classes/S18/CEE696/schedule.html\n",