--- a/slides/slides06.tex	Fri Nov 04 12:07:40 2022 +0000
+++ b/slides/slides06.tex	Thu Nov 10 23:44:35 2022 +0000
@@ -28,17 +28,18 @@
 \frametitle{%
   \begin{tabular}{@ {}c@ {}}
   \\[-3mm]
-  \LARGE Compilers and \\[-2mm] 
-  \LARGE Formal Languages\\[3mm] 
+  \LARGE Compilers and \\[-1mm] 
+  \LARGE Formal Languages\\[-5mm] 
   \end{tabular}}
 
   \normalsize
   \begin{center}
   \begin{tabular}{ll}
-    Email:  & christian.urban at kcl.ac.uk\\
-    %Office Hours: & Thursdays 12 -- 14\\
-    %Location: & N7.07 (North Wing, Bush House)\\
-    Slides \& Progs: & KEATS (also homework is there)\\  
+  Email:  & christian.urban at kcl.ac.uk\\
+  Office Hour: & Fridays 11 -- 12\\
+  Location: & N7.07 (North Wing, Bush House)\\
+  Slides \& Progs: & KEATS\\
+  Pollev: & \texttt{\alert{https://pollev.com/cfltutoratki576}}\\  
   \end{tabular}
   \end{center}
 
@@ -69,7 +70,7 @@
 {\small\url{https://vimeo.com/142341803}} (by Haoyi Li)\bigskip
 
 \begin{itemize}
-\item[$\bullet$] build-in library in Scala
+\item[$\bullet$] built-in library in Scala
 \item[$\bullet$] fastparse (2) library by Haoyi Li; is part of Ammonite
 \item[$\bullet$] possible exponential runtime behaviour  
 \end{itemize}
@@ -413,7 +414,7 @@
 \end{frame}
 
 
-\begin{frame}<1-20>[c]
+\begin{frame}<1-30>[c]
 \end{frame}