diff --git a/programs/test/udp_proxy.c b/programs/test/udp_proxy.c
index 2986ee3..77eaa5d 100644
--- a/programs/test/udp_proxy.c
+++ b/programs/test/udp_proxy.c
@@ -249,7 +249,7 @@
 
             if( *delay_cnt == MAX_DELAYED_HS )
             {
-                mbedtls_printf( " maximally %d uses of delay_cli argument allows\n",
+                mbedtls_printf( " maximally %d uses of delay_cli argument allowed\n",
                                 MAX_DELAYED_HS );
                 exit_usage( p, NULL );
             }