diff --git a/Lectures/L10_VnVContinued/VnVContinued.pdf b/Lectures/L10_VnVContinued/VnVContinued.pdf
index 38c942fae6dc36dbec18c128baff84af1b95ea3a..c2f4684a55af249cd64eaf8d98b18d415e38a8fd 100644
Binary files a/Lectures/L10_VnVContinued/VnVContinued.pdf and b/Lectures/L10_VnVContinued/VnVContinued.pdf differ
diff --git a/Lectures/L10_VnVContinued/VnVContinued.tex b/Lectures/L10_VnVContinued/VnVContinued.tex
index 255b5b9c5f25c3aec1a88fa1ede2e4a62d8059f4..6636f72b2e7a6b2128d19873b23bd3dc26003895 100755
--- a/Lectures/L10_VnVContinued/VnVContinued.tex
+++ b/Lectures/L10_VnVContinued/VnVContinued.tex
@@ -520,6 +520,7 @@ Summary in \cite{Smith2016}
 \item Convergence studies
 \item Compare to other program (parallel testing)
 \end{itemize}
+Can also consider using code inspection~\cite{KellyAndShepard2000, ShepardAndKelly2001}
 \end{frame}
 
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