diff --git a/openbsc/src/gsm_04_08.c b/openbsc/src/gsm_04_08.c
index b0e5541..eecf76f 100644
--- a/openbsc/src/gsm_04_08.c
+++ b/openbsc/src/gsm_04_08.c
@@ -613,7 +613,7 @@
 	struct gsm48_hdr *gh = msgb_l3(msg);
 	struct gsm48_service_request *req =
 			(struct gsm48_service_request *)gh->data;
-	/* unfortunately in Phase1 the classmar2 length is variable */
+	/* unfortunately in Phase1 the classmark2 length is variable */
 	u_int8_t classmark2_len = gh->data[1];
 	u_int8_t *classmark2 = gh->data+2;
 	u_int8_t mi_len = *(classmark2 + classmark2_len);