--- a/slides/survey-15.tex	Thu Oct 15 09:47:58 2015 +0100
+++ b/slides/survey-15.tex	Thu Oct 15 10:07:14 2015 +0100
@@ -61,16 +61,18 @@
 \begin{itemize}
 \item {\bf My Voice} ``Could be a bit louder.'' ``Possibly use
       a mic with a higher volume.'' ``It would be good to use a
-      mic every time'' ``The new room the acoustics is good''
+      mic every time'' ``In the new room the acoustics is good.''
 \item {\bf Examination} ``Could do with past exam papers.'' ``The material
       itself is not clear. Can't determine the type of
       questions we might face! Don't know how we are gonna
       be examined!'' ``No past papers, no mock, no answers to
       homework.''
-\item {\bf Time table} ``Prefer Monday lecture''
+\item {\bf Timetable} ``Prefer Monday lecture.''
 \item {\bf 2 + 1 Lectures} ``Have 2 lectures + 1 extra'' ``too
       slow, should be 2hr maximum at the moment, covering 30
-      slides in 3hs'' \end{itemize}
+      slides in 3hs.''\\ 
+      \small\textcolor{gray}{(1:$\sim$60, 2:$\sim$60, 3:30)}      
+\end{itemize}
   
 \end{frame}
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