--- a/slides/slides02.tex	Mon Feb 22 22:09:31 2016 +0000
+++ b/slides/slides02.tex	Tue Mar 22 17:09:24 2016 +0000
@@ -12,7 +12,7 @@
         numbers=none,
         xleftmargin=0mm}
 
-\pgfplotsset{compat=1.11}
+\pgfplotsset{compat=1.12}
 
 \newcommand{\bl}[1]{\textcolor{blue}{#1}}