Fix notebook link

Author: shuds13

README.rst

@@ -189,7 +189,7 @@ Resources
   :target:  https://colab.research.google.com/github/Libensemble/libensemble/blob/develop/examples/tutorials/gpcam_surrogate_model/gpcam.ipynb
 
 .. |Bayesian Optimization with Xopt| image:: https://colab.research.google.com/assets/colab-badge.svg
-  :target:  https://colab.research.google.com/github/Libensemble/libensemble/blob/examples/xopt_generators/examples/tutorials/xopt_bayesian_gen/xopt_EI_example.ipynb
+  :target:  https://colab.research.google.com/github/Libensemble/libensemble/blob/develop/examples/tutorials/xopt_bayesian_gen/xopt_EI_example.ipynb
 
 .. |ScriptCreator| image:: https://img.shields.io/badge/Script_Creator-purple?logo=magic
    :target: https://libensemble.github.io/script-creator/