diff --git a/IV/Makefile b/IV/Makefile
index 461aae8..9a91ac0 100644
--- a/IV/Makefile
+++ b/IV/Makefile
@@ -138,11 +138,11 @@ salvis-douglas-64-50k_WIDTHDIV = 2
 salvis-visvalingam-64-50k_2SELECT = wm_visuals where name='salvis-visvalingam-64'
 salvis-visvalingam-64-50k_WIDTHDIV = 2
 
-salvis-douglas-64-chaikin-50k_1SELECT = wm_visuals where name='salvis'
+#salvis-douglas-64-chaikin-50k_1SELECT = wm_visuals where name='salvis'
 salvis-douglas-64-chaikin-50k_2SELECT = wm_visuals where name='salvis-douglas-64-chaikin'
 salvis-douglas-64-chaikin-50k_WIDTHDIV = 2
 
-salvis-visvalingam-64-chaikin-50k_1SELECT = wm_visuals where name='salvis'
+#salvis-visvalingam-64-chaikin-50k_1SELECT = wm_visuals where name='salvis'
 salvis-visvalingam-64-chaikin-50k_2SELECT = wm_visuals where name='salvis-visvalingam-64-chaikin'
 salvis-visvalingam-64-chaikin-50k_WIDTHDIV = 2
 
diff --git a/IV/mj-msc.tex b/IV/mj-msc.tex
index eed8e35..eccd0f5 100644
--- a/IV/mj-msc.tex
+++ b/IV/mj-msc.tex
@@ -254,6 +254,16 @@ figure~\onpage{fig:salvis-generalized-chaikin-50k}.
     \label{fig:salvis-generalized-chaikin-50k}
 \end{figure}
 
+There are a few problems with {\VW} and {\DP} immediately visible in
+figure~\onpage{fig:salvis-generalized-chaikin-50k}:
+
+\begin{itemize}
+    \item problem 1
+    \item problem 2
+\end{itemize}
+
+Therefore, a more robust generalization algorithm is worthwhile for lookout.
+
 \subsubsection{Modern approaches}
 
 Due to their simplicity and ubiquity, {\DP} and {\VW} have been established as