diff --git a/resources/ormc_handout.cls b/resources/ormc_handout.cls
index d630a79..90abab8 100644
--- a/resources/ormc_handout.cls
+++ b/resources/ormc_handout.cls
@@ -1,3 +1,8 @@
+% Mark's handout style.
+%
+% Source is at https://git.betalupi.com/Mark/ormc-handouts
+
+
 \NeedsTeXFormat{LaTeX2e}
 \ProvidesClass{ormc_handout}[2022/05/07 1.1.0 ORMC Handout]
 
@@ -16,11 +21,16 @@
 \newif{\ifnopagenumber}
 \nopagenumberfalse
 
+% Boolean. If true, show a smaller solutions warning
+\newif{\ifshortwarning}
+\shortwarningfalse
+
 % Declare and parse arguments
 \DeclareOption{solutions}{\solutionstrue}
 \DeclareOption{nosolutions}{\solutionsfalse}
 \DeclareOption{singlenumbering}{\singlenumberingtrue}
 \DeclareOption{nopagenumber}{\nopagenumbertrue}
+\DeclareOption{shortwarning}{\shortwarningtrue}
 \DeclareOption*{\ClassWarning{ormc_handout}{\CurrentOption ignored}}
 \ProcessOptions\relax
 
@@ -160,24 +170,41 @@
 
 			% Instructor's handout warning
 			\ifsolutions
-				\begin{tcolorbox}[
-					colback=white,
-					colframe=red
-				]
-					\begin{center}
-						\large
-						\textcolor{red}{
-							\textbf{Instructor's Handout}
-						} \\
-						\normalsize
-					\end{center}
+				% Short warning
+				\ifshortwarning
+					\begin{tcolorbox}[
+						colback=white,
+						colframe=red
+					]
+						\begin{center}
+							\large
+							\textcolor{red}{
+								\textbf{Instructor's Handout}
+							} \\
+							\normalsize
+						\end{center}
+					\end{tcolorbox}
+				\else
+					% Regular warning
+					\begin{tcolorbox}[
+						colback=white,
+						colframe=red
+					]
+						\begin{center}
+							\large
+							\textcolor{red}{
+								\textbf{Instructor's Handout}
+							} \\
+							\normalsize
+						\end{center}
 
-					\vspace{1ex}
+						\vspace{1ex}
 
-					\textcolor{red}{This file contains solutions and notes.}
+						\textcolor{red}{This file contains solutions and notes.}
 
-					\textcolor{red}{Compile with the ``nosolutions'' flag before distributing.}
-				\end{tcolorbox}
+						\textcolor{red}{Compile with the ``nosolutions'' flag before distributing.}
+					\end{tcolorbox}
+				\fi
 			\fi
 
 		\end{center}