diff --git a/main.tex b/main.tex
index fd6e49c..8c174d8 100644
--- a/main.tex
+++ b/main.tex
@@ -135,6 +135,9 @@ \section{Camera Ready}
 That is, the page limit in the camera ready is 6~pages (in comparison to the 5~pages limit in the original submission).
 Note that the appendix is still unlimited.
 
+You have to set the \verb|\vol{V}| macro at the beginning of the template with the volume that was provided to you.
+Note that \textbf{you shouldn't submit the final version without the volume number}.
+
 \section{Style Guidelines}
 
 \begin{enumerate}[leftmargin=*]