Add formatting of 'true'

chapters/annotations.tex

@@ -1279,7 +1279,7 @@ \section{Graphical User Interface}\label{annotations-for-the-graphical-user-inte
 \end{lstlisting}%
 \annotationindex{absoluteValue}
 
-If \lstinline!false!, then the variable defines a relative quantity, and if true an absolute quantity.
+If \lstinline!false!, then the variable defines a relative quantity, and if \lstinline!true! an absolute quantity.
 
 \begin{nonnormative}
 When converting between units (in the user-interface for plotting and entering parameters), the unit offset must be ignored for a variable defined with annotation \lstinline!absoluteValue = false!.