misspellings fixes by https://github.com/vlajos/misspell_fixer
diff --git a/apps/s_client.c b/apps/s_client.c
index a2876b8..2f13503 100644
--- a/apps/s_client.c
+++ b/apps/s_client.c
@@ -1866,7 +1866,7 @@
 
 		if ((SSL_version(con) == DTLS1_VERSION) && DTLSv1_handle_timeout(con) > 0)
 			{
-			BIO_printf(bio_err,"TIMEOUT occured\n");
+			BIO_printf(bio_err,"TIMEOUT occurred\n");
 			}
 
 		if (!ssl_pending && FD_ISSET(SSL_get_fd(con),&writefds))