diff --git a/students26.txt b/students26.txt
index e10e2de2..03e8910d 100644
--- a/students26.txt
+++ b/students26.txt
@@ -55,7 +55,7 @@ Martin	Michaut
 Jana	Naaman
 Rita	Najeddine
 Abdelilah	Nossair
-Brendan	O'Sullivan
+Brendan	O'Sullivan X
 Joseph	Paillard
 Louis	Petitdidier
 Victor	Piana