\end{center}
\section{Compositor window }%
-\label{sec:compositor_window}
+\label{sec:compositor_window_shortcuts}
\subsection{Compositor buttons }%
\label{ssec:compositor_buttons}
\end{center}
\section{Viewer window }%
-\label{sec:viewer_window}
+\label{sec:viewer_window_shortcuts}
\subsection{Viewer buttons }%
\label{ssec:viewer_buttons}