Merge pull request #6985 from EnterpriseDB/EFM-5_0-specific-privilege-requirement

add info about 5.0 version of create-standby

Author: gvasquezvargas

product_docs/docs/efm/5/07_using_efm_utility.mdx

@@ -122,7 +122,7 @@ If the `-prompt` option is specified, the command will output the steps it will
 - `application.name` specifies the `application_name` to use (if set).
 
 !!!Note
-    This command was introduced in Failover Manager 5.0.
+    This command was introduced in Failover Manager 5.0. In 5.0 only, the command requires superuser privileges to run.
 
 The following example shows the command output when both the `-prompt` and `-slot` options are specified: