fix: superscript without math mode

Author: cmeesters

slides/creators/Parallel_Execution.tex

@@ -22,7 +22,7 @@ \section{Going Parallel}
 	\begin{question}[Questions]
 		\begin{itemize}
 			\item How can I choose from different parallelization schemes?
-			\item How can I set the parallel setting of my %$3^{\mathsf{rd}$ party app?
+			\item How can I set the parallel setting of my 3\textsuperscript{rd} party app?
 		\end{itemize}
 	\end{question}
 	\begin{docs}[Objectives]