Index: 06_hierarchy_imp.html
===================================================================
--- 06_hierarchy_imp.html	(revision 10023)
+++ 06_hierarchy_imp.html	(revision 10024)
@@ -59,7 +59,7 @@
 
 <p>{imp6:6}
 Because of its simplicity, the single-tree topology is chosen. A top sheet
-is created with two symbols: one for "an" and one for "dig", with
+(root sheet) is created with two symbols: one for "an" and one for "dig", with
 symbol attribute cschem/child/name set to "<code>an</code>" and "<code>dig</code>" respectively.
 <p>
 <img src="06_example1.svg">