SUMO-255467 | note for not prefixing http in endpoint string for postgresql

Author: sumoanema

docs/send-data/opentelemetry-collector/remote-management/source-templates/postgresql/index.md

@@ -91,7 +91,10 @@ In this step, you will configure the yaml required for PostgreSQL collection. Be
 - **Name**. Name of the source template.
 - **Description**. Description for the source template.
 - **Error Log Path**. Enter the path of the error log file for your PostgreSQL instance.
-- **Endpoint**. Enter the url of the server which needs to be monitored. Default endpoint is `localhost:5432`.
+- **Endpoint**. The endpoint of the PostgreSQL server. This value should be host:port. Default endpoint is `localhost:5432`.
+  :::note
+  There should not be any http prefixed to this value. For example, `http://localhost:port`. 
+  :::
 - **UserName**. Enter the PostgreSQL username.
 - **Password Environment Variable Name**. Enter the PostgreSQL password environment variable name.
 - **Fields/Metadata**. You can provide any customer fields to be tagged with the data collected. By default, Sumo Logic tags `_sourceCategory` with the value otel/postgresql user needs to provide the value for `db.cluster.name`.