diff --git a/report.tex b/report.tex
index b636495..2c05136 100644
--- a/report.tex
+++ b/report.tex
@@ -386,7 +386,7 @@
     \end{theorem}
   \end{frame}
 
-  \begin{frame}{Searching for a first order Z4c}{First order reduction}
+  \begin{frame}{First order reduction: wave equation as an example}
     \subsection{First order reduction: wave equation as an example}
     We can introduce auxiliary variables to reduce a second order PDE system to a first order one. For example, for the wave equation on flat spacetime:
     \begin{equation}