diff --git a/README.md b/README.md
index b378bf13..bbcd12d6 100644
--- a/README.md
+++ b/README.md
@@ -76,9 +76,17 @@ The mapping.txt file used to de-obfuscate your stack traces from crash reports
 
 The name of the release published to Google Play, which is generated on commit by default
 
+### `internalSharingDownloadUrls`
+
+A JSON list containing the download urls for every release file uploaded using the `track` `internalsharing`
+
+### ENV VAR: `INTERNAL_SHARING_DOWNLOAD_URLS`
+
+The environment variable that is set when using the `track` `internalsharing`
+
 ### `internalSharingDownloadUrl`
 
-The download url for an app that was uploaded using the `track` `internalsharing`
+The download url for the last release file uploaded using the `track` `internalsharing`, useful when a single release file is uploaded
 
 ### ENV VAR: `INTERNAL_SHARING_DOWNLOAD_URL`