diff --git a/Lectures/L01_IntroToCourse/IntroToCourse.pdf b/Lectures/L01_IntroToCourse/IntroToCourse.pdf
index c190bae2a1495df446aa6c600a49523521d7ba83..d3d0158d314039df31e028db4b8b6198e6967cee 100644
Binary files a/Lectures/L01_IntroToCourse/IntroToCourse.pdf and b/Lectures/L01_IntroToCourse/IntroToCourse.pdf differ
diff --git a/Lectures/L01_IntroToCourse/IntroToCourse.tex b/Lectures/L01_IntroToCourse/IntroToCourse.tex
index fc6025fb511c52e76a0388e9089e120677698e17..cec155ccc96d112c71a4948d4b44c5057ad79a34 100755
--- a/Lectures/L01_IntroToCourse/IntroToCourse.tex
+++ b/Lectures/L01_IntroToCourse/IntroToCourse.tex
@@ -353,10 +353,14 @@
 \item Simple, but not trivial
 \item If feasible, select a project related to your research
 \item Possibly re-implement existing software
-\item Each student project needs to be unique
+%\item Each student project needs to be unique
 \item Possibly a specific physical problem
 \item Possibly a (family of) general purpose tool(s)
-\item Some examples follow, the links are just places to get started
+\item Input $\Rightarrow$ Calculated $\Rightarrow$ Output
+\item Significant role of assumptions
+\item Challenging to verify (oracle problem)
+\item Successive refinement of theories
+%\item Some examples follow, the links are just places to get started
 \end{itemize}
 \end{frame}
 
@@ -493,7 +497,8 @@ Analysis}
 {Generated SRS for Beam Bending}
 \item
 \href{https://github.com/samm82/Drasil/tree/chemCode/code/stable/chemcode/SRS}
-{Generated SRS for Chemical Balance} 
+{Generated SRS for Chemical Balance}
+\item \href{https://jacquescarette.github.io/Drasil/examples/pdcontroller/SRS/srs/PDController_SRS.html} {PD Controller} 
 \end{itemize}
 \end{frame}
 
@@ -735,13 +740,13 @@ slides
   {\bibentry{ParnasAndClements1986}}
 \item \href{https://github.com/smiths/swhs}{Solar Water Heating System Example}
 \item
-  \href{https://jacquescarette.github.io/Drasil/examples/SWHS/srs/SWHS_SRS.html}
+  \href{https://jacquescarette.github.io/Drasil/examples/swhs/SRS/srs/SWHS_SRS.html}
   {Solar Water Heating System Example SRS (Generated by Drasil)}
 \item
-  \href{https://jacquescarette.github.io/Drasil/examples/NoPCM/srs/NoPCM_SRS.html}
+  \href{https://jacquescarette.github.io/Drasil/examples/swhsnopcm/SRS/srs/SWHSNoPCM_SRS.html}
   {Simplified Solar Water Heating System Example SRS (Generated by Drasil)}
 \item
-  \href{https://jacquescarette.github.io/Drasil/examples/Projectile/srs/Projectile_SRS.html}
+  \href{https://jacquescarette.github.io/Drasil/examples/projectile/SRS/srs/Projectile_SRS.html}
   {Projectile Example SRS (Generated by Drasil)}
 \item
   \href{https://github.com/smiths/caseStudies/blob/master/CaseStudies/projectile/projectileSRS_RefinedTheories/Projectile_SRS.pdf}