diff --git a/docs/sources/datasources/elasticsearch/configure-elasticsearch-data-source.md b/docs/sources/datasources/elasticsearch/configure-elasticsearch-data-source.md
index 8a867717af5..9ae49a73716 100644
--- a/docs/sources/datasources/elasticsearch/configure-elasticsearch-data-source.md
+++ b/docs/sources/datasources/elasticsearch/configure-elasticsearch-data-source.md
@@ -201,6 +201,8 @@ Each data link configuration consists of:
 
 Use private data source connect (PDC) to connect to and query data within a secure network without opening that network to inbound traffic from Grafana Cloud. See [Private data source connect](https://grafana.com/docs/grafana-cloud/connect-externally-hosted/private-data-source-connect/) for more information on how PDC works and [Configure Grafana private data source connect (PDC)](https://grafana.com/docs/grafana-cloud/connect-externally-hosted/private-data-source-connect/configure-pdc/#configure-grafana-private-data-source-connect-pdc) for steps on setting up a PDC connection.
 
+If you use PDC with SIGv4 (AWS Signature Version 4 Authentication), the PDC agent must allow internet egress to`sts.<region>.amazonaws.com:443`.
+
 - **Private data source connect** - Click in the box to set the default PDC connection from the dropdown menu or create a new connection.
 
 Once you have configured your Elasticsearch data source options, click **Save & test** at the bottom to test out your data source connection. You can also remove a connection by clicking **Delete**.
diff --git a/docs/sources/datasources/prometheus/configure/_index.md b/docs/sources/datasources/prometheus/configure/_index.md
index d312245e658..c7d19f6d321 100644
--- a/docs/sources/datasources/prometheus/configure/_index.md
+++ b/docs/sources/datasources/prometheus/configure/_index.md
@@ -234,7 +234,9 @@ You can add multiple exemplars.
 
 - **Private data source connect** - _Only for Grafana Cloud users._ Private data source connect, or PDC, allows you to establish a private, secured connection between a Grafana Cloud instance, or stack, and data sources secured within a private network. Click the drop-down to locate the URL for PDC. For more information regarding Grafana PDC refer to [Private data source connect (PDC)](ref:private-data-source-connect) and [Configure Grafana private data source connect (PDC)](https://grafana.com/docs/grafana-cloud/connect-externally-hosted/private-data-source-connect/configure-pdc/#configure-grafana-private-data-source-connect-pdc) for steps on setting up a PDC connection.
 
-Click **Manage private data source connect** to be taken to your PDC connection page, where you’ll find your PDC configuration details.
+  If you use PDC with SIGv4 (AWS Signature Version 4 Authentication), the PDC agent must allow internet egress to`sts.<region>.amazonaws.com:443`.
+
+  Click **Manage private data source connect** to open your PDC connection page and view your configuration details.
 
 After you have configured your Prometheus data source options, click **Save & test** at the bottom to test out your data source connection.