diff --git a/lectures/L05-slides.tex b/lectures/L05-slides.tex
index 43d33c4..8e5e708 100644
--- a/lectures/L05-slides.tex
+++ b/lectures/L05-slides.tex
@@ -498,7 +498,7 @@
 
 	The \texttt{-9} parameter sends signal 9 (\texttt{SIGKILL}) rather than the default 1 (\texttt{SIGHUP}).
 
-	Some users are eager to jump to \texttt{kill -9} whenever a process is stuck...
+	Some users are eager to jump to \href{https://www.youtube.com/watch?v=0rG74rG_ubs&ab_channel=alterlandnet}{kill -9} whenever a process is stuck...
 \end{frame}