diff --git a/.config/shell/bin/pandoc-make b/.config/shell/bin/pandoc-make
index 181991f..a336f34 100755
--- a/.config/shell/bin/pandoc-make
+++ b/.config/shell/bin/pandoc-make
@@ -4,16 +4,33 @@
 # Usage:
 #   pandoc-make html *.md
 
+usage() {
+   cat <<-EOF
+		Usage:
+			$0 [output_type] [input_files]
 
-# echo "Convert to... (default: html)"
-# read -r FORMAT
+		Examples:
+			$0 pdf *.md
+			$0 .docx *.md  # leading .'s are automatically removed from the output name
+	EOF
+}
 
-FORMAT="${1:-html}"
-FIRST=true
+if [ -z "$1" ]; then
+   usage && exit 1
+fi
+
+if [ -z "$2" ]; then
+   echo "error: no files specified"
+   usage && exit 1
+fi
+FORMAT="$1"
+SKIP_FIRST=true
 
 for FILE in "$@";do
-   [ $FIRST ] && FIRST=false && continue
+   $SKIP_FIRST && SKIP_FIRST=false && continue
    if [ -f "$FILE" ]; then
       pandoc -s "$FILE" -o "${FILE%.*}.${FORMAT##.}"
    fi
 done
+
+# vim:et ts=3 sw=3