smc: Fix a typo in the smc code
diff --git a/src/gsm/gsm0411_smc.c b/src/gsm/gsm0411_smc.c
index 9fecd7e..4152ef1 100644
--- a/src/gsm/gsm0411_smc.c
+++ b/src/gsm/gsm0411_smc.c
@@ -140,7 +140,7 @@
 		GSM411_MT_CP_ERROR);
 }
 
-/* etablish SMC connection */
+/* establish SMC connection */
 static int gsm411_mnsms_est_req(struct gsm411_smc_inst *inst, struct msgb *msg)
 {
 	struct msgb *nmsg;