diff --git a/examples/sgsnemu.conf b/examples/sgsnemu.conf
index be8f8e6..43b2458 100644
--- a/examples/sgsnemu.conf
+++ b/examples/sgsnemu.conf
@@ -56,6 +56,10 @@
 # Access point name to connect to when run in client mode.
 #apn internet
 
+# TAG: selmode
+# Selection mode to use when connecting to GGSN.
+#selmode 0x01
+
 # TAG: imsi
 # IMSI number used when run in client mode.
 #imsi 2400101234567890