Update chapters/packages.tex

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

chapters/packages.tex

@@ -346,7 +346,7 @@ \section{Multilingual Descriptions}\label{multilingual-descriptions}
 
 Comments (delimited as well as rest-of-line) are not translated.
 Only literal strings and concatenations of literals strings are translated.
-In order to have parameter values as part of the texts the special substitution syntax is preferable (see \cref{text} and \cref{variable-replacements}) and translations should preserve those substrings.
+In order to have parameter values as part of the texts the special substitution syntax is preferable (see \cref{text} and \cref{variable-replacements}), and translators need to be aware of these substrings in order to make good translations.
 
 The files to support translation must be provided along with the library.
 They must be stored in the resources directory \filename{modelica://$\mathit{LibraryName}$/Resources/Language/}.