diff --git a/Lectures/Deadlines.tex b/Lectures/Deadlines.tex
index 012335827cf67b2fb51233e0a85f8a8d1e739e32..278000e1f1e8e81b7126327cfa2776d0a6408bb0 100644
--- a/Lectures/Deadlines.tex
+++ b/Lectures/Deadlines.tex
@@ -6,8 +6,8 @@
 \begin{tabular}{l l l}
 %\textbf{Problem Statement} & Week 02 & Jan 19\\
 %\textbf{System Req.\ Spec.\ (SRS)} & Week 04 & Feb 2\\
-\textbf{System VnV Plan} & Week 06 & Feb 16\\
-{MG + MIS} & Week 09 & Mar 15\\
+%\textbf{System VnV Plan} & Week 06 & Feb 16\\
+\textbf{MG + MIS} & Week 09 & Mar 15\\
 %{Drasil Code} & Week 09 & Mar 15\\
 {Final Documentation} & Week 13 & Apr 12\\
 \end {tabular}
@@ -33,8 +33,8 @@ traditional SRS
 ~\newline
 \begin{tabular}{l l l}
 %\textbf{SRS} & Week 03/04 & \textbf{Week of Jan 23, 30}\\
-\textbf{Syst.\ VnV} & Week 06 & Week of Feb 12\\
-{POC Demo} & Week 07 & Week of Feb 26\\
+%\textbf{Syst.\ VnV} & Week 06 & Week of Feb 12\\
+\textbf{POC Demo} & Week 07 & Week of Feb 26\\
 {MG + MIS} & Week 09 & Week of Mar 11\\
 {MG + MIS} & Week 09 & Week of Mar 11\\
 %Drasil & Week 11 & Week of Mar 27\\
@@ -68,7 +68,7 @@ Unit VnV/Implement & Week 12 & Week of Apr 3\\
 
 \item Syst V\&V Plan Present (L11, L12) (20 min)
 \bi
-\item \textbf{Feb 13: Fasil, Hunter, Phil, Adrian}
+%\item \textbf{Feb 13: Fasil, Hunter, Phil, Adrian}
 \item \textbf{Feb 16: Gaofeng, Al, Seyed Ali, Xinyu}
 \ei
 \item Proof of Concept Demonstrations (L14) (20 min)
diff --git a/Lectures/L03_Requirements/Requirements.pdf b/Lectures/L03_Requirements/Requirements.pdf
index c937033f71a5635dd2f875b093f6a565b2656150..64a8e40e61dea29d526975a837ad23eabd50cdcb 100644
Binary files a/Lectures/L03_Requirements/Requirements.pdf and b/Lectures/L03_Requirements/Requirements.pdf differ
diff --git a/Lectures/L03_Requirements/Requirements.tex b/Lectures/L03_Requirements/Requirements.tex
index 72edabf4548018d2d7be37f1123b5c4d9e7c24ec..63e6723d71ea11737d960bd877cca7285b369832 100755
--- a/Lectures/L03_Requirements/Requirements.tex
+++ b/Lectures/L03_Requirements/Requirements.tex
@@ -762,6 +762,9 @@ Also Goal Statements and Requirements
 \href{https://gitlab.cas.mcmaster.ca/smiths/cas741/-/blob/master/Examples/aorta/SRS.pdf?ref_type=heads}
 {Aorta Example}
 \item \href{https://gitlab.cas.mcmaster.ca/SEforSC/se4sc/-/blob/git-svn/GradStudents/Mojdeh/SRS_3dfim+/3dfim+.pdf?ref_type=heads} {3dfim+}
+\item
+\href{https://github.com/adrian-soch/attitude_check/blob/main/docs/SRS/SRS.pdf}
+{IMU-based Attitude Estimation}
 \item
   \href{https://github.com/smiths/capTemplate/blob/main/docs/SRS/SRS.pdf}
   {Blank SRS from Template}
diff --git a/Lectures/L13_ModularDesign/ModularDesign.pdf b/Lectures/L13_ModularDesign/ModularDesign.pdf
index ce94b05bafa8104ede98980562c0f0a795da069c..1d509c678698ad353b01339120e1501d3e41c43c 100644
Binary files a/Lectures/L13_ModularDesign/ModularDesign.pdf and b/Lectures/L13_ModularDesign/ModularDesign.pdf differ
diff --git a/Lectures/L13_ModularDesign/ModularDesign.tex b/Lectures/L13_ModularDesign/ModularDesign.tex
index 13e5e2fa5a33f0cc28aa28f8556afdd0c5d2d451..21f72a2ce3e43615c878334efdb939611c360212 100755
--- a/Lectures/L13_ModularDesign/ModularDesign.tex
+++ b/Lectures/L13_ModularDesign/ModularDesign.tex
@@ -46,6 +46,7 @@
 
 \bi
 \item Administrative details
+\item Feedback on SRS documents
 \item Questions?
 %\item Feedback on issues
 \item Overview of design
@@ -88,19 +89,51 @@ MIS templates
 \input{../Deadlines.tex}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+\begin{frame}
+\frametitle{Feedback on SRS}
+\begin{itemize}
+\item
+\href{https://github.com/smiths/capTemplate/blob/main/docs/Checklists/SRS-Checklist.pdf}
+{SRS checklist}
+\begin{itemize}
+  \item Follow the template
+  \item Filename for SRS from template (new)
+  \item All symbols are in the table of contents
+  \item Project is given a name
+  \item Characteristics with courses and level (clarified)
+  \item Goal statements are functional (new)
+  \item Each assumption is used at least once
+  \item All chunks are used at least once (new)
+  \item IMs are referenced by requirements
+\end{itemize}
+\end{itemize}
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 \begin{frame}
-\frametitle{Questions?}
+\frametitle{Feedback on SRS}
 \begin{itemize}
-\item \structure{Questions?}
+\item
+\href{https://github.com/smiths/capTemplate/blob/main/docs/Checklists/Writing-Checklist.pdf}
+{Writing checklist}
+\begin{itemize}
+  \item Opening and closing ``quotes''
+  \item Periods that do not end sentences are followed by only one space
+  \item Long names in math mode use either mathit or text
+  \item Document is spell checked
+  \item Symbols formatted the same way in every context %inside and outside equations
+\end{itemize}
+\item Types information very helpful
 \end{itemize}
 \end{frame}
 
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
 \begin{frame}
-\frametitle{SRS + VnV Issues --- Doing a great job!}
+\frametitle{SRS + VnV Issues --- (Mostly) Doing a great job!}
 \begin{itemize}
+\item Be sure to do your GitHub reviews!
 \item Close issues when they are resolved
 \bi
 \item Explain why closing the issue
@@ -113,12 +146,21 @@ MIS templates
 \item Link to other issues using hash symbol
 \ei
 \item Take and give feedback in the collegial spirit, use emojis as appropriate
-\item If your project doesn't have a name, give it one
+%\item If your project doesn't have a name, give it one
 \end{itemize}
 \end{frame}
 
 % %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 
+\begin{frame}
+\frametitle{Questions?}
+\begin{itemize}
+\item \structure{Questions?}
+\end{itemize}
+\end{frame}
+
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+
 % \begin{frame}
 % \frametitle{Feedback on SRS}
 % \begin{itemize}