diff --git a/repository/upload/lang/en/repository_upload.php b/repository/upload/lang/en/repository_upload.php
index 1d5664db3d4..1a0210ae6df 100644
--- a/repository/upload/lang/en/repository_upload.php
+++ b/repository/upload/lang/en/repository_upload.php
@@ -34,4 +34,4 @@ $string['upload_error_no_file'] = 'No file was uploaded.';
 $string['upload_error_no_tmp_dir'] = 'PHP is missing a temporary folder.';
 $string['upload_error_cant_write'] = 'Failed to write file to disk.';
 $string['upload_error_extension'] = 'A PHP extension stopped the file upload.';
-$string['upload_error_invalid_file'] = 'The file \'{$a}\' has no data in it - did you try to upload a folder?';
\ No newline at end of file
+$string['upload_error_invalid_file'] = 'The file \'{$a}\' is either empty or a folder. To upload folders zip them first.';
\ No newline at end of file