diff --git a/docs/sources/datasources/aws-cloudwatch/_index.md b/docs/sources/datasources/aws-cloudwatch/_index.md
index 5650247f33c..477e7f3bb53 100644
--- a/docs/sources/datasources/aws-cloudwatch/_index.md
+++ b/docs/sources/datasources/aws-cloudwatch/_index.md
@@ -226,6 +226,10 @@ You can attach these permissions to the IAM role or IAM user you configured in [
 }
 ```
 
+{{< admonition type="note" >}}
+Cross-account observability lets you to retrieve metrics and logs across different accounts in a single region but you can't query EC2 Instance Attributes across accounts because those come from the EC2 API and not the CloudWatch API.
+{{< /admonition >}}
+
 ### Configure CloudWatch settings
 
 #### Namespaces of Custom Metrics