Update how-to-create-manage-compute-instance.md

Author: sdgilley

articles/machine-learning/how-to-create-manage-compute-instance.md

@@ -492,10 +492,7 @@ To use RStudio open source, set up a custom application as follows:
     > [!TIP]
     > Using ports 8704-8993 is also supported.
 
-1. Set up the application to be accessed on **Published port** `8787` - you can configure the application to be accessed on a different Published port if you wish.
-
-    > [!TIP]
-    > Using ports 8704-8993 is also supported.
+1. Set up the application to be accessed on **Published port** `8787`.
 
 1. Point the **Docker image** to `ghcr.io/azure/rocker-rstudio-ml-verse:latest`. 
 1. Use **Bind mounts** to add access to the files in your default storage account: