diff --git a/presentations/2023-04-13_group_meeting/2023-04-13_CRHEP.tex b/presentations/2023-04-13_group_meeting/2023-04-13_CRHEP.tex
index 5a84de1..ec9eadf 100644
--- a/presentations/2023-04-13_group_meeting/2023-04-13_CRHEP.tex
+++ b/presentations/2023-04-13_group_meeting/2023-04-13_CRHEP.tex
@@ -73,6 +73,9 @@
 	\vskip -2em
 	Local antenna time $t'_i$ due to time delay $t_{\mathrm{d}i}$ and clock skew $\sigma_i$
 	\\
+	\small\begin{equation*}
+		t'_i = t_{tx} + t_{\mathrm{d}i} + \sigma_i
+	\end{equation*}
 	\begin{figure}
 		\includegraphics[width=0.6\textwidth]{beacon/antenna_setup_two.pdf}
 	\end{figure}
@@ -111,7 +114,7 @@
 
 \section{Simulations}
 \begin{frame}{Simulation: Sine}
-		Apply previous steps to an airshower simulation (which provides the pulse):
+		Apply previous steps to an airshower simulation (providing the pulse):
 	\begin{block}{}
 		\begin{itemize}
 			\item Add (sine) beacon to each antenna