fix links

Author: tsikiksr

pipelines/samples/employee-attrition/README.md

@@ -12,7 +12,7 @@ The pipeline has the following steps:
     1. Evaluate the models, choose the best model based on Area Under Curve (AUC) metric and deploy the best model
 
 ## How to use
-Open the [employee-attrition-pipeline-ads.ipynb](/workspaces/oci-data-science-ai-samples/pipelines/samples/employee-attrition/employee-attrition-pipeline-ads.ipynb) notebook and run it.
+Open the [employee-attrition-pipeline-ads.ipynb](./employee-attrition-pipeline-ads.ipynb) notebook and run it.
 
 Make sure you define the permissions in your tenancy properly.
 

pipelines/samples/simple/README.md

@@ -2,4 +2,4 @@
 This is a very simple sample with 3 consecutive steps, each passes data to the next step for additional processing.
 
 # How to use this sample:
-Open the [mlpipeline_sample-ads.ipynb](/workspaces/oci-data-science-ai-samples/pipelines/samples/simple/mlpipeline_sample-ads.ipynb) notebook and run all cells.
+Open the [mlpipeline_sample-ads.ipynb](./mlpipeline_sample-ads.ipynb) notebook and run all cells.