diff --git a/example/Phosphorylation_experiment_specific_RT_prediction_using_AutoRT_Colab.ipynb b/example/Phosphorylation_experiment_specific_RT_prediction_using_AutoRT_Colab.ipynb
index 5199d74..e8568fd 100644
--- a/example/Phosphorylation_experiment_specific_RT_prediction_using_AutoRT_Colab.ipynb
+++ b/example/Phosphorylation_experiment_specific_RT_prediction_using_AutoRT_Colab.ipynb
@@ -26,7 +26,7 @@
         "colab_type": "text"
       },
       "source": [
-        "<a href=\"https://colab.research.google.com/github/bzhanglab/AutoRT/blob/master/example/Experiment_specific_RT_prediction_using_AutoRT.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
+        "<a href=\"https://colab.research.google.com/github/bzhanglab/AutoRT/blob/master/example/Phosphorylation_experiment_specific_RT_prediction_using_AutoRT_Colab.ipynb\" target=\"_parent\"><img src=\"https://colab.research.google.com/assets/colab-badge.svg\" alt=\"Open In Colab\"/></a>"
       ]
     },
     
@@ -2745,4 +2745,4 @@
       "outputs": []
     }
   ]
-}
\ No newline at end of file
+}