\begin{figure}[htpb] \centering
\includegraphics[width=0.9\linewidth]{star.png}
- \caption{Example of the Shape Wipe $\rightarrow$ Star}
+ \caption{Example of the Shape Wipe -> Star}
+% do not use rightarrow in a figure as HTML version does not like it
+% \caption{Example of the Shape Wipe $\rightarrow$ Star}
\label{fig:star}
\end{figure}