diff --git a/library/ssl_tls.c b/library/ssl_tls.c
index 6446b76..981ec7b 100644
--- a/library/ssl_tls.c
+++ b/library/ssl_tls.c
@@ -1030,7 +1030,7 @@
         ssl->conf->authmode == MBEDTLS_SSL_VERIFY_OPTIONAL )
     {
         MBEDTLS_SSL_DEBUG_MSG(
-            1, ( "Optional verfiy auth mode "
+            1, ( "Optional verify auth mode "
                  "is not available for TLS 1.3 client" ) );
         return( MBEDTLS_ERR_SSL_BAD_CONFIG );
     }