diff --git a/src/gsm/auth_core.c b/src/gsm/auth_core.c
index acb65f5..9ca5d93 100644
--- a/src/gsm/auth_core.c
+++ b/src/gsm/auth_core.c
@@ -180,7 +180,7 @@
  * based on the permanent subscriber data, a random value as well as the
  * AUTS and RAND values returned by the SIM/MS.  This special variant is
  * needed if the sequence numbers between MS and AUC have for some
- * reason become diffrent.
+ * reason become different.
  */
 int osmo_auth_gen_vec_auts(struct osmo_auth_vector *vec,
 			   struct osmo_sub_auth_data *aud,
diff --git a/src/gsm/lapd_core.c b/src/gsm/lapd_core.c
index a602d78..e0bbcab 100644
--- a/src/gsm/lapd_core.c
+++ b/src/gsm/lapd_core.c
@@ -861,7 +861,7 @@
 				if (memcmp(dl->cont_res->data, msg->data,
 								length)) {
 					LOGP(DLLAPD, LOGL_INFO, "Another SABM "
-					     "with diffrent content - "
+					     "with different content - "
 					     "ignoring! (dl=%p)\n", dl);
 					msgb_free(msg);
 					return 0;