diff --git a/CHANGELOG.md b/CHANGELOG.md
index f11a2f8..ff5cee7 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -3,6 +3,7 @@
 - Updated version of external images in GitHub actions
 ### Fixed
 - Bump certifi from 2022.12.7 to 2023.7.22
+- Description of the response returned by dry run endpoint in README file 
 
 ## [2.3.1]
 ### Fixed
diff --git a/README.md b/README.md
index fa9edcf..ddf7ed5 100644
--- a/README.md
+++ b/README.md
@@ -21,7 +21,7 @@ Transforms csv submission files (Variant.csv and CaseData.csv) into a json submi
 
 ### dry_run
 
-Proxy endpoint to the ClinVar submissions API (dry-run): https://submit.ncbi.nlm.nih.gov/api/v1/submissions/?dry-run=true. Requires a valid API key and a json file containing a submission object. If the request is valid (and the json submission object is validated) returns a submission ID which can be used for a real submission.
+Proxy endpoint to the ClinVar submissions API (dry-run): https://submit.ncbi.nlm.nih.gov/api/v1/submissions/?dry-run=true. Requires a valid API key and a json file containing a submission object. If the request is valid (and the json submission object is validated) returns a response with code 200 and json body with the message value "success".
 
 ### validate