[final_pres] Fix typo and change phrasing

src/final_presentation/main.tex

@@ -539,7 +539,7 @@
 
                 \node (inp) at ($(enc) + (-140mm,0)$) {$\ket{\varphi}$};
                 \node (out) at ($(dec) + (-140mm,0)$)
-                {$\ket{\hat{\varphi}}_\text{L}$};
+                {$\ket{\hat{\varphi}}$};
 
                 \draw[-{Latex}] (inp) -- (enc);
                 \draw[-{Latex}] (enc) -- (cha) node[midway, above] {$\ket{\psi}$};
@@ -1909,7 +1909,8 @@
     \vspace*{-5mm}
 
     \begin{itemize}
-        \item Pass \ac{cn} to \ac{vn} messages to next window
+        \item Pass \ac{cn} to \ac{vn} messages of overlapping region
+            to next window
     \end{itemize}
 \end{frame}