Write explicit role & sctp-role fields in ASP configurations

Change-Id: Idf7b2288e93edb408b644da759f844ac0ce1210b
diff --git a/doc/manuals/chapters/running.adoc b/doc/manuals/chapters/running.adoc
index 684866e..b54e2e3 100644
--- a/doc/manuals/chapters/running.adoc
+++ b/doc/manuals/chapters/running.adoc
@@ -74,6 +74,7 @@
  point-code 1.23.6
  asp asp-clnt-msc-0 2905 0 m3ua
   remote-ip 127.0.0.1
+  role asp
   sctp-role client
 ----