errors: fix ERR_MODULE_RESOLUTION_LEGACY message

PR-URL: nodejs#15290
Refs: nodejs#14369
Reviewed-By: Bradley Farias <bradley.meck@gmail.com>
Reviewed-By: James M Snell <jasnell@gmail.com>
Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>

lib/internal/errors.js

@@ -241,7 +241,7 @@ E('ERR_METHOD_NOT_IMPLEMENTED', 'The %s method is not implemented');
 E('ERR_MISSING_ARGS', missingArgs);
 E('ERR_MISSING_MODULE', 'Cannot find module %s');
 E('ERR_MODULE_RESOLUTION_LEGACY', '%s not found by import in %s.' +
-  'Legacy behavior in require would have found it at %s');
+  ' Legacy behavior in require() would have found it at %s');
 E('ERR_MULTIPLE_CALLBACK', 'Callback called multiple times');
 E('ERR_NAPI_CONS_FUNCTION', 'Constructor must be a function');
 E('ERR_NAPI_CONS_PROTOTYPE_OBJECT', 'Constructor.prototype must be an object');