diff --git a/cnaf-annual-report-2018.tex b/cnaf-annual-report-2018.tex
index cd8bf1d4613865670ce04946d1c143a436d74b7c..f4962e18d4bf6a1179de545f8b565bac0ab704a7 100644
--- a/cnaf-annual-report-2018.tex
+++ b/cnaf-annual-report-2018.tex
@@ -169,8 +169,9 @@ Introducing the sixth annual report of CNAF...
 \ia{The NA62 experiment at CERN}{na62}
 \ia{The NEWCHIM activity at CNAF for the CHIMERA and FARCOS devices}{newchim}
 \ia{The PADME experiment at INFN CNAF}{padme}
-%\ia{XENON computing activities}{xenon}
+\ia{XENON computing model}{xenon}
 \ia{Advanced Virgo computing at CNAF}{virgo}
+
 %
 % to keep together the next part title with its chapters in the toc
 %\addtocontents{toc}{\newpage}