gprs_ns2_vty: Fix VTY documentation errors

Those two documentation errors made e.g. gb-proxy VTY tests fail.

Change-Id: I487ee3532aed4de38494005106ae9686d590608d
diff --git a/src/gb/gprs_ns2_vty.c b/src/gb/gprs_ns2_vty.c
index 133e099..bfbc68c 100644
--- a/src/gb/gprs_ns2_vty.c
+++ b/src/gb/gprs_ns2_vty.c
@@ -406,7 +406,8 @@
 	NSE_CMD_STR
 	"NS Virtual Connection\n"
 	"NS Virtual Connection ID (NSVCI)\n"
-	"frame relay\n"
+	"Frame Relay User-Side\n"
+	"Frame Relay Network-Side\n"
 	IFNAME_STR
 	"Data Link connection identifier\n"
 	"Data Link connection identifier\n"
@@ -507,6 +508,8 @@
 DEFUN(cfg_nse_fr_dlci, cfg_nse_fr_dlci_cmd,
 	"nse <0-65535> nsvci <0-65535> fr-dlci <16-1007>",
 	NSE_CMD_STR
+	"NS Virtual Connection\n"
+	"NS Virtual Connection ID (NSVCI)\n"
 	"Frame Relay DLCI\n"
 	"Frame Relay DLCI Number\n")
 {