Update lammps-tutorials.tex

Author: simongravelle

lammps-tutorials.tex

@@ -2978,7 +2978,7 @@ \subsubsection{Prepare and relax}
 most extreme charges are located at structural defects,
 such as dangling oxygen groups (Fig.~\ref{fig:SIO-slice}).
 Finally, the generated \flecmd{.histo} files can be used to
-generate the probability distribution of the charge, $P(q)$ (see Fig.~\ref{fig:SIO-distribution}\,a).
+plot the probability distributions, $P(q)$ (see Fig.~\ref{fig:SIO-distribution}\,a).
 
 \begin{figure}
 \centering