diff --git a/Makefile b/Makefile
index d040a4e..0fab22f 100644
--- a/Makefile
+++ b/Makefile
@@ -22,7 +22,7 @@ SHELL := bash
 # LaTeX...
 ARGS :=
 
-# NOTE: need to run latex two times to build index, the simpler way to 
+# NOTE: need to run latex two+ times to build index, the simpler way to 
 # 		go is to use latexmk...
 #TEX := lualatex $(ARGS)
 TEX := latexmk -lualatex $(ARGS)
diff --git a/photobook.cls b/photobook.cls
index 79299f4..b253796 100644
--- a/photobook.cls
+++ b/photobook.cls
@@ -691,7 +691,7 @@
 \newlength\bindingoffset
 \setlength\bindingoffset{\photobook@bindingoffset}
 
-%% \DescribeMacro{\defaultfoldout=<fold-spce>}
+%% \DescribeMacro{\defaultfoldout=<fold-spec>}
 %
 %% Set the default fold specification.
 %%
diff --git a/scripts/cls2tex.sh b/scripts/cls2tex.sh
index 0582a36..d6e7732 100755
--- a/scripts/cls2tex.sh
+++ b/scripts/cls2tex.sh
@@ -1,22 +1,37 @@
 #!/usr/bin/env bash
 
-# Generate docs from latex package/class...
-#
-# Usage: cls2tex.sh INPUT OUTPUT [PREFIX]
-#
-# 	- keep lines starting with \def\<module-name>@[A-Z]\+
-# 	- keep lines starting with '%%'
-# 	- %%%%% Text -> \subsection(Text)
-# 	- %%%% Text -> \section(Text)
-# 	- %% >> code -> \begin{verbatim}code\end{verbatim}
-#
-# NOTE: the idea of keeping latex docs in a latex file is far similar 
-# 		than all the stuff crammed into .dtx, at least for my needs:
-# 			- keep the code readable
-# 			- keep the docs readable
-# 		in both the repo and in installed form.
-# NOTE: this is evolving as need arises, when this gets too complicated 
-# 		we'll split it out into it's own script.
+printhelp(){
+	echo "Generate docs from latex package/class"
+	echo
+	echo "Usage: $(basename $0) [-h] INPUT OUTPUT [PREFIX]"
+	echo
+	echo "This will:"
+	echo "  - keep lines starting with \\def\\<module-name>@[A-Z]\\+"
+	echo "  - keep lines starting with '%%'"
+	echo "  - %%%%% Text -> \\subsection(Text)"
+	echo "  - %%%% Text -> \\section(Text)"
+	echo "  - %% >> code -> \\begin{verbatim}code\\end{verbatim}"
+	echo
+	echo "NOTE: the idea of keeping latex docs in a latex file is far simpler"
+	echo "      than all the stuff crammed into .dtx, at least for my needs:"
+	echo "          - keep the code readable"
+	echo "          - keep the docs readable"
+	echo "      in both the repo and in installed form, so .dtx is not used."
+}
+
+# args/defaults...
+while true ; do
+	case $1 in
+		-h|--help)
+			printhelp
+			exit
+			;;
+
+		*)
+			break
+			;;
+	esac
+done
 
 INPUT=$1
 
@@ -28,6 +43,7 @@ if [ -z $PREFIX ] ; then
 fi
 
 
+# do the work...
 cat "$INPUT" \
 	| egrep '(^%'$PREFIX'|^\\edef\\.*@[A-Z][A-Z]+)' \
 	| sed 's/^\(\\edef\\\).*@/%'$PREFIX'\1/' \
@@ -35,7 +51,8 @@ cat "$INPUT" \
 	| sed 's/%'$PREFIX'%%% \(.*\)/%'$PREFIX'\\subsection{\1}\\label{subsec:\1}/' \
 	| sed 's/%'$PREFIX'%% \(.*\)/%'$PREFIX'\\section{\1}\\label{sec:\1}/' \
 	| sed 's/%'$PREFIX'\s\+>>\s\+\(.*\)/%'$PREFIX'\\begin{verbatim} \1 \\end{verbatim}/' \
-	| cut -c 3- - > "$OUTPUT"
+	| cut -c 3- - \
+	> "$OUTPUT"
 
 
 # vim:set ts=4 sw=4 nowrap :