diff --git a/src/libcharon/sa/ikev2/tasks/ike_auth.c b/src/libcharon/sa/ikev2/tasks/ike_auth.c
index cd94ccd9ed..b80bc6c806 100644
--- a/src/libcharon/sa/ikev2/tasks/ike_auth.c
+++ b/src/libcharon/sa/ikev2/tasks/ike_auth.c
@@ -12,7 +12,7 @@
  * This program is distributed in the hope that it will be useful, but
  * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
  * or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
- * for more details
+ * for more details.
  */
 
 #include "ike_auth.h"