diff --git a/a.1-Showing-a-ranking.md b/a.1-Showing-a-ranking.md
index 2fe43e9..e3930f5 100644
--- a/a.1-Showing-a-ranking.md
+++ b/a.1-Showing-a-ranking.md
@@ -12,7 +12,7 @@ require_once('vendor/autoload.php');
 Use JeroenED/Libpairtwo/IOFactory;
 
 $filereader = IOFactory::createReader('Swar-4');
-$filereader->read('mycompetition.sws');
+$filereader->read('mycompetition.swar');
 
 $ranking = $filereader->getTournament()->getRanking();
 $count = 1;