diff --git a/inxi b/inxi
index fb8ed64..2a50ba8 100755
--- a/inxi
+++ b/inxi
@@ -1870,6 +1870,7 @@ get_hdd_data_basic()
 			getline
 		}
 		# if the first item caused a wrap, use one less than standard
+		# testing for the field with % in it, ie: 34%, then go down from there
 		if ( $4 ~ /.*\%/ ) {
 			used += $2
 		}