Update editors' development

thesis/4-Edit-Filters.tex

@@ -430,7 +430,7 @@ Messy edits were done and others took them and re-modelled them.
 
 \begin{figure}
 \centering
-  \includegraphics[width=0.9\columnwidth]{pics/editors-development.png}
+  \includegraphics[width=0.9\columnwidth]{pics/editors-development-total.png}
     \caption{EN Wikipedia: Number of editors over the years (source: \url{https://stats.wikimedia.org/v2/})}~\label{fig:editors-development}
 \end{figure}