# [Tex/LaTex] ToC figures and text overlap

I am using XeLaTeX and memoir to write a longer text with several parts, chapters and sections. When printing the \tableofcontents I get a spacing problem with 2-figure numbers almost overlapping the relevant section name, as per enclosed picture. I am aware that
the memoir manual has a section dedicated to this theme, but the most part of it is doubledutch to me. Is there any easy way to avoid this problem?

You may want to say something like

\AtBeginDocument{

or even 1em: experiment with the added width. The code should go in the preamble.