sgsn: spelling fixes inside comments
diff --git a/openbsc/src/gprs/gprs_gmm.c b/openbsc/src/gprs/gprs_gmm.c
index 2f309a5..f7a5cde 100644
--- a/openbsc/src/gprs/gprs_gmm.c
+++ b/openbsc/src/gprs/gprs_gmm.c
@@ -56,13 +56,13 @@
#define PTMSI_ALLOC
-/* Section 11.2.2 / Table 11.4 MM timers netowkr side */
+/* Section 11.2.2 / Table 11.4 MM timers netwokr side */
#define GSM0408_T3322_SECS 6 /* DETACH_REQ -> DETACH_ACC */
#define GSM0408_T3350_SECS 6 /* waiting for ATT/RAU/TMSI COMPL */
#define GSM0408_T3360_SECS 6 /* waiting for AUTH/CIPH RESP */
#define GSM0408_T3370_SECS 6 /* waiting for ID RESP */
-/* Section 11.2.2 / Table 11.4a MM timers netowkr side */
+/* Section 11.2.2 / Table 11.4a MM timers netwokr side */
#define GSM0408_T3313_SECS 30 /* waiting for paging response */
#define GSM0408_T3314_SECS 44 /* force to STBY on expiry */
#define GSM0408_T3316_SECS 44