doc: Update description of library layers

diff --git a/doc/rpp_simulink.tex b/doc/rpp_simulink.tex
index 6621468f560f4ba0474324136b3bc9890f01d498..37ba877b25cbe06c0027fbdc852ab53201c1a8fe 100644 (file)
--- a/doc/rpp_simulink.tex
+++ b/doc/rpp_simulink.tex
@@ -355,17 +355,17 @@ be found in \texttt{$\langle$rpp\_lib$\rangle$/rpp/include/sys}
 folder.
 
 Large part of this layer was generated by the HalCoGen tool (see
-Section~\ref{sec-halcogen}).
+Section~\ref{sec-halcogen}). Some files were then modified by hand.
 
 \subsection{Drivers layer} 
 \label{sec-drivers-layer}
 The Drivers layer contains code for controlling the RPP peripherals.
 Typically, it contains code implementing IRQ handling, software
 queues, management threads, etc. The layer benefits from the lower
-layers thus it is not too low level, but still there are some
+layer thus it is not too low level, but still there are some
 peripherals like ADC, which need some special procedure for
 initialization and running, that would not be very intuitive for the
-user.
+typical end user.
 
 The source files can be found in
 \texttt{$\langle$rpp\_lib$\rangle$/rpp/src/drv} and the header files can