diff --git a/programs/test/udp_proxy.c b/programs/test/udp_proxy.c
index 41a90a9..971fdb4 100644
--- a/programs/test/udp_proxy.c
+++ b/programs/test/udp_proxy.c
@@ -1,5 +1,5 @@
 /*
- *  UDP proxy: emulate an unreliable UDP connexion for DTLS testing
+ *  UDP proxy: emulate an unreliable UDP connection for DTLS testing
  *
  *  Copyright The Mbed TLS Contributors
  *  SPDX-License-Identifier: Apache-2.0