updated debug-server documentation
#### debug-server
----
-Start a Liberty server in debug mode. The server will listen on a specified port or `port 7777` by default.
+Start a Liberty server in debug mode. The server will listen on a specified debug port or `port 7777` by default.
-A port can be specified in the `server.env` file located at `${basedir}/src/test/resources/server.env`.
-To set the port add the line `WLP_DEBUG_ADDRESS=<port #>` anywhere in the file.
+A nondefault debug port can be specified in the `server.env` file by adding the line `WLP_DEBUG_ADDRESS=<port #>`. The file can be created at `${basedir}/src/test/resources/server.env` or at a location defined by the `serverEnv` [common server parameter](common-server-parameters.md#common-server-parameters).
###### Additional Parameters
-This goal supports the [common server parameters](common-server-parameters.md#common-server-parameters) shared by server goals.
-
-
+This goal supports the other [common server parameters](common-server-parameters.md#common-server-parameters) shared by server goals.
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