Copy $Z$ from GPU to CPU\;
\end{algorithm}
-Listing~\ref{lst:01} shows the second kernel code. As can be seen this
-kernel calls multiple kernels, all the operations on complex numbers
-are not detailed.
+Listing~\ref{lst:01} shows the a simplified version of second kernel
+code (some parameters in the kernels have been simplified in order to
+increase the readability). As can be seen this
+kernel calls multiple kernels, all the kernels for complex numbers and
+kernels for the evaluation of a polynomial are not detailed.
\begin{footnotesize}
\lstinputlisting[label=lst:01,caption=Kernels to update the roots]{code.c}
