Two fixes in the manual.

manual.tex

@@ -45,8 +45,6 @@
   Institution Series of the Department of Computer Science
   (Institut für Informatik) at Kiel University (Christian\-/Albrechts\-/Universität zu Kiel),
   in the following called \term{Series}.
-  The Series' website is \url{http://www.informatik.uni-kiel.de/kcss},
-  where additional information, material, and existing publications can be found.
   \par
   Advanced users of the Series' \LaTeX\ style
   can consult \autoref{sec:news} at the very end of this manual
@@ -741,7 +739,7 @@ The differences are summarized in \autoref{tab:structure}.
     About this series            &              & \checkmark   & \\
     Reviewers                    &              & \checkmark   & \\
     Abstract                     & \checkmark   & \checkmark   & \checkmark \\
-    Prefaces and acknowledgments & (\checkmark) & \checkmark   & (\checkmark) \\
+    Prefaces and acknowledgments & (\checkmark) & (\checkmark) & (\checkmark) \\
     Table of contents            & \checkmark   & \checkmark   & \checkmark \\
     List of figures and tables   & (\checkmark) & (\checkmark) & (\checkmark) \\
     Main content                 & \checkmark   & \checkmark   & \checkmark \\