diff --git a/modules/node/persistence/cms_node_storage_i.e b/modules/node/persistence/cms_node_storage_i.e
index 140266a..ebfe7f0 100644
--- a/modules/node/persistence/cms_node_storage_i.e
+++ b/modules/node/persistence/cms_node_storage_i.e
@@ -61,9 +61,8 @@ feature {NONE} -- Implementation
 			end
 		end
 
-
 	extended_delete (a_node: CMS_NODE)
-			-- Delete extended data related to node `a_id'.
+			-- Delete extended data related to node `a_node'.
 		require
 			not error_handler.has_error
 		do
@@ -72,7 +71,6 @@ feature {NONE} -- Implementation
 			end
 		end
 
-
 feature -- Access		
 
 	nodes_count: NATURAL_64
@@ -182,7 +180,7 @@ feature -- Change: Node
 				-- Check if we need to use a transaction
 				-- we delete a node
 				-- node_revisions
-				-- and extensions (PAGE, BLOG, etc)
+				-- and extensions (PAGE, BLOG, etc).
 			if a_node.has_id then
 				delete_node_by_id (a_node.id)
 				if not error_handler.has_error then
diff --git a/modules/node/persistence/cms_node_storage_sql.e b/modules/node/persistence/cms_node_storage_sql.e
index e92451f..ce825e5 100644
--- a/modules/node/persistence/cms_node_storage_sql.e
+++ b/modules/node/persistence/cms_node_storage_sql.e
@@ -351,6 +351,7 @@ feature -- Change: Node
 			sql_change (sql_delete_node, l_parameters)
 
 				-- we remove node_revisions and pages.
+				-- Check: maybe we need a transaction.
 			sql_change (sql_delete_node_revisions, l_parameters)
 		end