diff --git a/doc/metropolistheme.dtx b/doc/metropolistheme.dtx
index fc38c7c..eea0073 100644
--- a/doc/metropolistheme.dtx
+++ b/doc/metropolistheme.dtx
@@ -222,12 +222,12 @@ either provide a comma separated list of options when invoking
 \end{lstlisting}
 Or you can set them at any time with the |\metroset| macro.
 \begin{lstlisting}
-\metroset[<key=value list>]
+\metroset{<key=value list>}
 \end{lstlisting}
 To set an option on a specific sub-package only you have to add the
 corresponding prefix (inner, outer, color), e.g.
 \begin{lstlisting}
-\metroset[inner/block=fill]
+\metroset{inner/block=fill}
 \end{lstlisting}
 The list of options is structured as shown in the following example.