diff --git a/.gitignore b/.gitignore
index 686df61..74ccd56 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,6 +6,7 @@ __pycache__
 # Output files
 /output
 /output.zip
+/index.json
 main.pdf
 **/build
 *.pdf
diff --git a/Advanced/Cryptography/main.tex b/Advanced/Cryptography/main.tex
index 0084b73..ba73f44 100755
--- a/Advanced/Cryptography/main.tex
+++ b/Advanced/Cryptography/main.tex
@@ -9,7 +9,7 @@
 
 \usepackage{multicol}
 
-\uptitlel{Advanced 1A}
+\uptitlel{Advanced 2}
 \uptitler{\smallurl{}}
 \title{Intro to Cryptography}
 \subtitle{Prepared by Mark on \today{}}
diff --git a/Advanced/De Bruijn/main.tex b/Advanced/De Bruijn/main.tex
index 2f55c6e..f66fbc8 100755
--- a/Advanced/De Bruijn/main.tex	
+++ b/Advanced/De Bruijn/main.tex	
@@ -2,8 +2,7 @@
 % use [solutions] flag to show solutions.
 \documentclass[
 	solutions,
-	singlenumbering,
-	shortwarning
+	singlenumbering
 ]{../../resources/ormc_handout}
 \usepackage{../../resources/macros}
 
@@ -12,7 +11,10 @@
 \uptitlel{Advanced 2}
 \uptitler{\smallurl{}}
 \title{De Bruijn Sequences}
-\subtitle{Prepared by Mark on \today{}}
+\subtitle{
+	Prepared by Mark on \today{} \par
+	Based on a handout by Glenn Sun
+}
 
 
 \begin{document}
diff --git a/Advanced/Graph Algorithms/main.tex b/Advanced/Graph Algorithms/main.tex
index 6b4c9da..11bdd26 100755
--- a/Advanced/Graph Algorithms/main.tex	
+++ b/Advanced/Graph Algorithms/main.tex	
@@ -1,7 +1,7 @@
 % use [nosolutions] flag to hide solutions.
 % use [solutions] flag to show solutions.
 \documentclass[
-	nosolutions
+	solutions
 ]{../../resources/ormc_handout}
 \usepackage{../../resources/macros}
 
diff --git a/resources/ormc_handout.cls b/resources/ormc_handout.cls
index 0742f6e..468da1f 100755
--- a/resources/ormc_handout.cls
+++ b/resources/ormc_handout.cls
@@ -478,6 +478,8 @@
 		\vspace{1ex}
 		This file contains solutions and notes. \par
 		Compile with the ``nosolutions'' flag before distributing. \par
+		Click \href{https://betalupi.com/handouts}{\texttt{[here]}}
+		for the latest version of this handout. \par
 	\end{tcolorbox}
 }