Update chapters/arrays.tex

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

chapters/arrays.tex

@@ -1448,8 +1448,8 @@ \section{Empty Arrays}\label{empty-arrays}
 Real[0, m] * Real[m, n] = Real[0, n] // empty matrix
 Real[m, n] * Real[n, 0] = Real[m, 0] // empty matrix
 Real[m, 0] * Real[0, n] = fill(0.0, m, n) // matrix of zeros
-// Note fill(0.0, m, n) will be an empty matrix if m or n is 0
 \end{lstlisting}
+Note that \lstinline!fill(0.0, m, n)! will be an empty matrix if \lstinline!m! or \lstinline!n! is zero.
 
 \begin{example}
 \begin{lstlisting}[language=modelica]