Say path where hold and dataSource comments named the old spelling

data.go

@@ -10,7 +10,7 @@ import (
 )
 
 // dataSource is one tree to load: an fs.FS and the directory in it to start from.
-// label prefixes file names in errors; onDisk marks path as a directory that must
+// label prefixes file names in errors; onDisk marks diskPath as a directory that must
 // exist.
 type dataSource struct {
 	fsys     fs.FS

hold.go

@@ -5,7 +5,7 @@ import (
 )
 
 // hold is what has already been drawn for held names: the variant each was drawn as, so every
-// path under it reads one row; the draw each read made, by its one spelling, so the same read
+// path under it reads one row; the draw each read made, by its path, so the same read
 // written twice reads one draw; and the table rows those reads pinned. An expansion keeps one for
 // its sibling names, and a render one per group for its reference paths.
 type hold struct {