Fix typo

src/2025-05-08/presentation.tex

@@ -342,7 +342,7 @@ Homotopy Continuation Methods}
     for the convergence criterion of the newton corrector}
 \end{frame}
 
-\begin{frame}etwas
+\begin{frame}
     \frametitle{Tentative Conclusion}
 
     \vspace*{-5mm}