Merge pull request #8003 from MicrosoftDocs/users/geekzter/service-connection-authorization

Update service connection authorization guidance

Author: prmerger-automator[bot]

docs/pipelines/library/service-endpoints.md

@@ -133,8 +133,6 @@ To use the service connection in pipelines:
 
 ### Authorize pipelines
 
-- To authorize all pipelines to use the service connection, select the **Allow all pipelines to use this connection** option in the connection properties.
-
 - To authorize a single pipeline to use the service connection:
 
   1. Select **Run pipeline** on the pipeline page to queue a manual build.
@@ -143,6 +141,8 @@ To use the service connection in pipelines:
 
   This action explicitly adds the pipeline as an authorized user of the service connection.
 
+- To authorize all existing and future pipelines to use the service connection, select the **Grant access permission to all pipelines** option in the connection properties. This option isn't recommended. Instead, authorize each pipeline individually to use the service connection.
+
 ## Common service connection types
 
 Azure Pipelines supports the following service connection types by default. You can also create your own [custom service connections](../../extend/develop/service-endpoints.md).