diff --git a/report.tex b/report.tex
index 9cb9b2e..5908de5 100644
--- a/report.tex
+++ b/report.tex
@@ -848,7 +848,7 @@ $}
     \texttt{MathGR} can do symbolic tensor calculations, and render tensor equations in a readable way:
     \begin{figure}
       \centering
-      \includegraphics[width=0.8\textwidth]{imgs/mathGR1.png}
+      \includegraphics[width=0.4\textwidth]{imgs/mathGR1.png}
       \caption{A simple example of using \texttt{MathGR} to write tensor equations.}
     \end{figure}
   \end{frame}