fix various issues

Signed-off-by: Jerry Yu <jerry.h.yu@arm.com>
diff --git a/library/ssl_tls13_server.c b/library/ssl_tls13_server.c
index b7b2557..2d751d6 100644
--- a/library/ssl_tls13_server.c
+++ b/library/ssl_tls13_server.c
@@ -389,20 +389,21 @@
                 continue;
             }
 
-            MBEDTLS_SSL_DEBUG_MSG(
-                    3, ( "ssl_tls13_pick_key_cert:"
-                         "check signature algorithm %s [%04x]",
-                         mbedtls_ssl_sig_alg_to_str( *sig_alg ),
-                         *sig_alg ) );
+            MBEDTLS_SSL_DEBUG_MSG( 3,
+                                   ( "ssl_tls13_pick_key_cert:"
+                                     "check signature algorithm %s [%04x]",
+                                     mbedtls_ssl_sig_alg_to_str( *sig_alg ),
+                                     *sig_alg ) );
             if( mbedtls_ssl_tls13_check_sig_alg_cert_key_match(
                                             *sig_alg, &key_cert->cert->pk ) )
             {
                 ssl->handshake->key_cert = key_cert;
-                MBEDTLS_SSL_DEBUG_MSG(
-                    3, ( "ssl_tls13_pick_key_cert:"
-                         "selected signature algorithm %s [%04x]",
-                         mbedtls_ssl_sig_alg_to_str( *sig_alg ),
-                         *sig_alg ) );
+                MBEDTLS_SSL_DEBUG_MSG( 3,
+                                       ( "ssl_tls13_pick_key_cert:"
+                                         "selected signature algorithm"
+                                         " %s [%04x]",
+                                         mbedtls_ssl_sig_alg_to_str( *sig_alg ),
+                                         *sig_alg ) );
                 MBEDTLS_SSL_DEBUG_CRT(
                         3, "selected certificate (chain)",
                         ssl->handshake->key_cert->cert );
@@ -412,7 +413,7 @@
     }
 
     MBEDTLS_SSL_DEBUG_MSG( 2, ( "ssl_tls13_pick_key_cert: "
-                                "No signature algorithm found" ) );
+                                "no suitable signature algorithm found" ) );
     return( -1 );
 }
 #endif /* MBEDTLS_X509_CRT_PARSE_C &&