Non mi risulta. Potresti mandare un esempio minimo?
Fran
`\documentclass[a4paper,12pt]{article}
\usepackage[utf8x]{inputenc}
\usepackage[T1]{fontenc}
\usepackage[english]{babel}
\usepackage{amsmath,amssymb}
\usepackage{graphicx}
\usepackage[font=small,format=plain]{caption}
\usepackage{subfig}
\usepackage{wrapfig}
\usepackage{epstopdf}
\usepackage{booktabs}
\usepackage[verbose,a4paper,tmargin=20mm,bmargin=25mm,lmargin=25mm,rmargin=20mm]{geometry}
\usepackage[output-decimal-marker={,}]{siunitx}
% This is all for formatting and making the Table of Contents according to
% spec (DOTS). Don't play with it.
\makeatletter
\renewcommand\l@section[2]{%
\ifnum \c@tocdepth >\z@
\addpenalty\@secpenalty
\addvspace{1.0em \@plus\p@}%
\setlength\@tempdima{1.5em}%
\begingroup
\parindent \z@ \rightskip \@pnumwidth
\parfillskip -\@pnumwidth
\leavevmode \bfseries
\advance\leftskip\@tempdima
\hskip -\leftskip
#1\nobreak\
\leaders\hbox{$\m@th\mkern \@dotsep mu\hbox{.}\mkern \@dotsep mu$}
\hfil \nobreak\hb@xt@\@pnumwidth{\hss #2}\par
\endgroup
\fi}
\makeatother
\setlength{\parindent}{0pt}
\begin{document}
L'Adige è lungo \SI{410}{\kilo\metre}, il Tevere \SI{405}{km}.
\end{document}`