gb: Fix typo in bssgp_cause_strings description

Change-Id: I2474bbe99bf0aa35aab046a1987047a8368beff6
diff --git a/src/gb/gprs_bssgp_util.c b/src/gb/gprs_bssgp_util.c
index 669dfb8..7708949 100644
--- a/src/gb/gprs_bssgp_util.c
+++ b/src/gb/gprs_bssgp_util.c
@@ -43,7 +43,7 @@
 static const struct value_string bssgp_cause_strings[] = {
 	{ BSSGP_CAUSE_PROC_OVERLOAD,		"Processor overload" },
 	{ BSSGP_CAUSE_EQUIP_FAIL,		"Equipment Failure" },
-	{ BSSGP_CAUSE_TRASIT_NET_FAIL,		"Transit netowkr service failure" },
+	{ BSSGP_CAUSE_TRASIT_NET_FAIL,		"Transit network service failure" },
 	{ BSSGP_CAUSE_CAPA_GREATER_0KPBS,	"Transmission capacity modified" },
 	{ BSSGP_CAUSE_UNKNOWN_MS,		"Unknown MS" },
 	{ BSSGP_CAUSE_UNKNOWN_BVCI,		"Unknown BVCI" },