diff --git a/chap-OT-LWE.tex b/chap-OT-LWE.tex
index f4f3903..0cbd6c5 100644
--- a/chap-OT-LWE.tex
+++ b/chap-OT-LWE.tex
@@ -1 +1 @@
-\chapter{Lattice-Based Oblivious Transfer with Access Control}
+\chapter{Lattice-Based Oblivious Transfer with Access Control} \label{ch:ac-ot}