improve the Author Contributions section

Author: simongravelle

lammps-tutorials.tex

@@ -3938,7 +3938,7 @@ \subsection{Tutorial 8: Reactive Molecular Dynamics}
 \includegraphics[width=\linewidth]{REACT}
 \caption{Initial configuration for \hyperref[bond-react-label]{Tutorial 8}.
 The system consists of 200 styrene molecules packed around a single-walled
-CNT with a total system density of 0.9 g/cm$^3$.}
+CNT, with a mass density for the whole system of $0.9~\text{g/cm}^3$.}
 \label{fig:REACT}
 \end{figure}
 
@@ -4225,16 +4225,14 @@ \subsubsection{Simulating the reaction}
 \end{figure}
 
 \section*{Author Contributions}
-% S.G. to update
-S.G. conceived and wrote all the online tutorials and underlying Sphinx documentation
-for \href{https://lammpstutorials.github.io}{lammpstutorials.github.io}.
-
-\noindent A.K. wrote the LAMMPS GUI software and helped revise the
-tutorials for use with it.
 
-\noindent J.G. is the principal author of fix bond/react and type label
-support in LAMMPS.  He revised tutorials to use type labels.
-% and contributed the eighth tutorial using fix bond/react (?).
+S.G. conceived and wrote the original online tutorials and underlying Sphinx documentation
+for \href{https://lammpstutorials.github.io}{lammpstutorials.github.io}.
+J.G. is the principal author of \lmpcmd{fix bond/react} and \lmpcmd{type labels}
+support in LAMMPS.  He revised the tutorials to incorporate type labels and wrote Tutorial 8.
+A.K. developed the LAMMPS--GUI software and assisted in revising the
+tutorials for use with it.  All authors participated in the revision and finalization
+of the manuscript.
 
 \section*{Potentially Conflicting Interests}
 
@@ -4243,10 +4241,9 @@ \section*{Potentially Conflicting Interests}
 \section*{Funding Information}
 
 S.G. acknowledges funding from the European Union's Horizon 2020 research and
-innovation programme under the Marie Skłodowska-Curie grant agreement N$^\circ\;101065060$.
-
-\noindent A.K. acknowledges financial support by Sandia National Laboratories under
-POs 2149742 and 2407526.
+innovation programme under the Marie Skłodowska-Curie grant agreement $\text{N}^\circ\;101065060$.
+A.K. acknowledges financial support by Sandia National Laboratories under
+POs~2149742 and 2407526.
 
 \section*{Author Information}
 \makeorcid
@@ -4263,7 +4260,7 @@ \section{Using LAMMPS--GUI}
 
 \begin{note}
 For simplicity, these tutorials reference keyboard shortcuts
-based on the assignments for Linux and Windows. {macOS} users should
+based on the assignments for Linux and Windows.  {macOS} users should
 use the ``Command'' key (\cmd) in place of the
 ``Ctrl'' key when using keyboard shortcuts.
 \end{note}
@@ -4296,7 +4293,7 @@ \subsubsection{Installing Linux .flatpak variant}
 (e.g.,~GNOME, KDE, XFCE) where it should appear in the ``Applications''
 menu under ``Science''.  Additionally, the ``.lmp'' file extension will be
 registered to launch LAMMPS--GUI when opening a file with this
-extension in the desktop's file manager. You can then
+extension in the desktop's file manager.  You can then
 launch LAMMPS--GUI from the command line using the following command:
 \begin{lstlisting}
 flatpak run org.lammps.lammps-gui
@@ -4315,7 +4312,7 @@ \subsubsection{Installing the macOS .dmg package}
 file.
 
 After installation, you can launch LAMMPS\_GUI from the Applications
-folder. Additionally, you can drag an input file onto the app or open files with the
+folder.  Additionally, you can drag an input file onto the app or open files with the
 ``.lmp'' extension.  Note that the LAMMPS--GUI bundle is currently not
 cryptographically signed, so macOS may initially prevent it from launching.
 If this happens, you can adjust the settings in the ``Security \& Privacy" system
@@ -4330,7 +4327,7 @@ \subsubsection{Installing the Windows .exe package}
 have been cryptographically signed.  You will need to choose to keep the file,
 and when launching the installer again, confirm that you want to run it despite the warning.
 
-After installation, a new entry should appear in the Start menu. Additionally,
+After installation, a new entry should appear in the Start menu.  Additionally,
 the ``.lmp'' file extension should be registered with  Windows File
 Explorer to open LAMMPS--GUI when opening a file with that
 extension.  The ``lammps-gui'' and ``lmp'' commands should also be available
@@ -4340,7 +4337,7 @@ \subsection{Opening, Editing, and Saving Files}
 
 LAMMPS--GUI can be launched from the command line, as explained above, where you
 can either launch it without arguments or provide one file name as an argument.  All
-other arguments will be ignored. For example:
+other arguments will be ignored.  For example:
 \begin{lstlisting}
 lammps-gui input.lmp
 \end{lstlisting}
@@ -4414,17 +4411,17 @@ \subsection{Creating Snapshot Images}
 
 Open the \guicmd{Image Viewer} using either the \guicmd{Create Image} option
 from the \guicmd{Run} menu, the \guicmd{Ctrl-I} keyboard shortcut,
-or click on the (right) palette button in the status bar. The image
+or click on the (right) palette button in the status bar.  The image
 can be saved using the \guicmd{Save As...} option from the \guicmd{File} menu.
 
 \subsection{The Output Window}
 
 By default, when starting a run, the \guicmd{Output} window opens to display the screen
-output of the running LAMMPS calculation. The text in the Output window is
+output of the running LAMMPS calculation.  The text in the Output window is
 read-only and cannot be modified, but keyboard shortcuts for selecting and
 copying all or part of the text can be used to transfer it to another program:
 The keyboard shortcut \guicmd{Ctrl-S} (or \guicmd{Command-S} on {macOS}) can
-be used to save the Output buffer to a file. Additionally, the \guicmd{Select All}
+be used to save the Output buffer to a file.  Additionally, the \guicmd{Select All}
 and \guicmd{Copy} functions, along with a \guicmd{Save Log to File} option, are available
 through the context menu, which can be accessed by right-clicking within the text area of the
 \guicmd{Output} window.
@@ -4445,7 +4442,7 @@ \subsection{The Charts Window}
 \subsection{Preferences}
 
 The Preferences dialog allows customization of the behavior and appearance of
-LAMMPS--GUI. Among other options:
+LAMMPS--GUI.  Among other options:
 \begin{itemize}
 \item In the \guicmd{General Settings} tab, the \guicmd{Data update interval} setting
 allows you to define the time interval, in milliseconds, between data updates during
@@ -4467,7 +4464,7 @@ \section{Running LAMMPS via Command Line}
 \label{command-line-label}
 
 LAMMPS can be executed from the command line on Linux, macOS,
-as well as Windows. On Linux/macOS, first navigate to the directory containing
+as well as Windows.  On Linux/macOS, first navigate to the directory containing
 the \flecmd{input.lmp} file and execute:
 \begin{lstlisting}
 lmp -in input.lmp