diff --git a/README.md b/README.md
index 742e7a61..6d3ded3d 100644
--- a/README.md
+++ b/README.md
@@ -90,4 +90,10 @@ There are 3 different environments that Serval is deployed to:
 
 ### Access S3 bucket
 
-- to view files, run `aws s3 ls s3://aqua-ml-data/<deployment environment>`
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+- to view files, run `aws s3 ls s3://aqua-ml-data/<deployment environment>`
+
+### Mongo investigation
+
+* First, get the pod name: `kubectl get pods -n serval`
+* Then forward to local port, such as 28015: `kubectl port-forward <pod name> 28015:27017 -n serval`
+* Then open MongoDB Compass and connect to `mongodb://localhost:28015/?directConnection=true`
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