Update reason that might cause parameter evaluation

chapters/classes.tex

@@ -423,10 +423,10 @@ \subsection{Component Variability Prefixes discrete, parameter, constant}\label{
   annotation(Evaluate = false);                    /* Normal parameter */
 parameter Boolean b = false;
 
-/* Variability analysis might cause evaluation of n: */
+/* Fulfillment of acyclic binding rule might cause evaluation of n: */
 parameter Real x = if b and n > 3 then 1 - x else 0;
 
-/* Variability analysis cannot cause evaluation of p: */
+/* Fulfillment of acyclic binding rule cannot cause evaluation of p: */
 parameter Real y = if b and p > 3 then 1 - y else 0;
 \end{lstlisting}
 \end{example}