diff --git a/pdf-optimize.sh b/pdf-optimize.sh
index fe663bd..86b23d9 100755
--- a/pdf-optimize.sh
+++ b/pdf-optimize.sh
@@ -128,7 +128,8 @@ function compute_compression
 	input_size_h=`du -h "$input_path" | cut -f1`
 	output_size_h=`du -h "$output_path" | cut -f1`
 
-	echo "Size reduced from ${bold}$input_size_h${normal} to ${bold}$output_size_h${normal} [$percentage %]"
+	echo "Size reduced from ${bold}$input_size_h${normal} to \
+${bold}$output_size_h${normal} [$percentage %]"
 }
 
 # font settings