diff --git a/2024-08-29-hackmas/00200_rosenpass_protocol.tex b/2024-08-29-hackmas/00200_rosenpass_protocol.tex
index b0c4b54..761c535 100644
--- a/2024-08-29-hackmas/00200_rosenpass_protocol.tex
+++ b/2024-08-29-hackmas/00200_rosenpass_protocol.tex
@@ -106,7 +106,7 @@ \section{The Design of Rosenpass}
 \end{columns}\hfill
 \begin{columns}[t,fullwidth]
 \begin{column}{.48\linewidth}
-  Think of it a encrypting a key and sending it
+  Think of it as encrypting a key and sending it
         to the partner.
 
         \begin{itemize}