Update chapters/packages.tex

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

chapters/packages.tex

@@ -400,7 +400,7 @@ \section{Multilingual Descriptions}\label{multilingual-descriptions}
 Therefore, line breaks in Modelica must be encoded with \lstinline!"\n"! for gettext.
 
 \begin{nonnormative}
-In order to avoid long lines, strings may be split into smaller parts given on consecutive lines, e.g.
+In order to avoid long lines in the translated strings (following \lstinline!msgid! or \lstinline!msgstr!), strings may be split into smaller parts given on consecutive lines, e.g.
 \begin{lstlisting}
 "A
 B"