diff --git a/main.tex b/main.tex
index 3a9b4a9..b52d91f 100644
--- a/main.tex
+++ b/main.tex
@@ -92,9 +92,9 @@ Ph.D. &Doctor of Philosophy\\
 \chapter*{List of Symbols}%%RUM: Not mentioned
 \begin{tabular}{lll}
 Symbol &Description &Value/Units\\
-$E$ &Energy &\si{\joule}\\
-$m$ &Mass &\si{gram}\\
-$c$ &Speed of Light &\SI{2.99E8}{\meter\per\second\square}\\
+$E$ &Energy &\unit{\joule}\\
+$m$ &Mass &\unit{gram}\\
+$c$ &Speed of Light &\qty{2.99E9}{\meter\per\second\squared}\\
 \end{tabular}