diff --git a/docs/web-ui.md b/docs/web-ui.md
index 95bd09e9..81624f34 100644
--- a/docs/web-ui.md
+++ b/docs/web-ui.md
@@ -69,11 +69,13 @@ MEND_RNV_GITHUB_CLIENT_ID=Iv...
 # The client secret for the GitHub App
 # NOTE that this is a separate credential to the GitHub App key
 MEND_RNV_GITHUB_CLIENT_SECRET=
-# The URL for the web UI, with the path `/oauth/github/callback`
-# NOTE that this does not need to be publicly accessible, it only needs to be accessible to a user's browser
+# Optional when the GitHub App has a single callback URL.
+# Required when the GitHub App is configured with multiple callback URLs.
+# Use this to select the redirect URI the web UI should use for GitHub OAuth.
 # Must be an absolute URL with optional port and path (`scheme://host[:port][/path]`)
 MEND_RNV_GITHUB_REDIRECT_URI=https://renovate-ui.example.com/oauth/github/callback
-# If using GitHub Enterprise Server (GHES), this will be used to display outbound links to organizations/repositories
+# Optional. For GitHub.com, this defaults automatically to the GitHub API endpoint.
+# If using GitHub Enterprise Server (GHES), set this so it can be used to display outbound links to organizations/repositories and for OAuth requests.
 # Must be an absolute URL with optional port and path (`scheme://host[:port][/path]`)
 MEND_RNV_ENDPOINT=
 ```
@@ -88,6 +90,10 @@ In addition to the above environment variables, the following must be set when `
 # This platform value is a specific environment variable for the web UI.
 # This should not be set on your Server or Worker deployments.
 MEND_RNV_PLATFORM=noauth
+# Optional. Set this to the base URL of your SCM web interface so the web UI can render links to organizations and repositories.
+# Supported for Bitbucket Data Center, GitLab, and GitHub.
+# Must be an absolute URL with optional port and path (`scheme://host[:port][/path]`)
+MEND_RNV_ENDPOINT=<scm_web_url>
 ```
 
 > [!CAUTION]
diff --git a/helm-charts/mend-renovate-ee/values.yaml b/helm-charts/mend-renovate-ee/values.yaml
index af1a3df0..a23f48fa 100644
--- a/helm-charts/mend-renovate-ee/values.yaml
+++ b/helm-charts/mend-renovate-ee/values.yaml
@@ -560,8 +560,10 @@ renovateWeb:
   # If unset, the chart derives mendRnvPlatform from the server service.
   mendRnvPlatform:
 
-  # Optional endpoint used by the platform client.
-  # Usually only needed for GitHub Enterprise. For github.com, defaults are derived from mendRnvPlatform.
+  # Optional endpoint override.
+  # Behavior depends on mendRnvPlatform:
+  # - github: for GitHub.com, defaults are derived from mendRnvPlatform; for GitHub Enterprise Server, set this for API requests
+  # - noauth: set this to the SCM web URL used to render organization and repository links for Bitbucket Data Center, GitLab, or GitHub
   # Example: https://ghe.example.com/
   mendRnvEndpoint:
 
@@ -586,7 +588,10 @@ renovateWeb:
   #   mendRnvBackendSecret:
   existingSecret:
 
-  # Optional GitHub OAuth redirect URI override.
+  # Optional when the GitHub App has a single callback URL.
+  # Required when the GitHub App is configured with multiple callback URLs.
+  # Use this to select the redirect URI used for GitHub OAuth.
+  # Example: https://renovate-ui.example.com/oauth/github/callback
   mendRnvGithubRedirectURI:
 
   # HTTPS server configuration for websrv.