Fix typo and file extension in example tex template

services/web/app/templates/project_files/main.tex

@@ -18,9 +18,9 @@ There is another theory which states that this has already happened.
 
 \begin{figure}[h!]
 \centering
-\includegraphics[scale=1.7]{universe.jpg}
+\includegraphics[scale=1.7]{universe}
 \caption{The Universe}
-\label{fig:univerise}
+\label{fig:universe}
 \end{figure}
 
 \section{Conclusion}