diff --git a/thesis.tex b/thesis.tex
index fd8c977..988db4f 100644
--- a/thesis.tex
+++ b/thesis.tex
@@ -88,7 +88,7 @@ used to validate the correctness of program's behaviour.}
 
 \definecolor{lstbg}{rgb}{.96,.96,.96}
 \lstdefinestyle{yaml}{
-  keywords={true,false,null,y,n,---,...},
+  % keywords={true,false,null,y,n,---,...},
   rulecolor=\color{black},
   string=[s]{'}{'},
   string=[s]{"}{"},