--- a/slides/slides10.tex	Fri Dec 09 11:00:05 2022 +0000
+++ b/slides/slides10.tex	Fri Dec 09 13:18:10 2022 +0000
@@ -45,18 +45,19 @@
   \begin{tabular}{@ {}c@ {}}
   \\[-3mm]
   \LARGE Compilers and \\[-2mm] 
-  \LARGE Formal Languages\\[3mm] 
+  \LARGE Formal Languages\\[-3mm] 
   \end{tabular}}
 
-  \normalsize
+   \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}
+  \end{center} 
 
   \begin{center}
     \begin{tikzpicture}
@@ -369,7 +370,9 @@
 \end{frame}
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+\begin{frame}<1-15>[c]
 
+\end{frame}