Update chapters/equations.tex

Co-authored-by: Henrik Tidefelt <henrikt@wolfram.com>

chapters/equations.tex

@@ -778,7 +778,7 @@ \section{Initialization, initial equation, and initial algorithm}\label{initiali
 In this case a diagnostic message is recommended in a simulation model.
 
 \begin{nonnormative}
-This is used in libraries to give acceptable defaults so that users can quickly combine models and simulate without setting parameters; but still easily find the parameters that need to be set.
+This is used in libraries to give rudimentary defaults so that users can quickly combine models and simulate without setting parameters; but still easily find the parameters that should be set properly.
 \end{nonnormative}
 
 All variables declared as \lstinline!parameter! having \lstinline!fixed = false! are treated as unknowns during the initialization phase, i.e.\ there must be additional equations for them -- and the \lstinline!start!-value can be used as a guess-value during initialization.