Fixed koans with accent

Author: rayhem

notes.tex

@@ -135,7 +135,7 @@
   \item \href{http://www.codinghorror.com/blog/2006/05/the-ten-commandments-of-egoless-programming.html}{The Ten Commandments of Egoless Programming}
   \item \href{http://james-iry.blogspot.com/2009/05/brief-incomplete-and-mostly-wrong.html}{A Brief, Incomplete, and Mostly Wrong History of Programming}
   \item \href{https://www.gnu.org/fun/jokes/ed-msg.html}{\texttt{Ed, man! !man ed}}
-  \item \href{http://blog.sanctum.geek.nz/vim-koans/}{Vim koans}
+  \item \href{http://blog.sanctum.geek.nz/vim-koans/}{Vim k\={o}ans}
 \end{itemize}
 
 \printindex