a few more updates

Author: renetapopova

modules/ROOT/pages/configuration/configuration-settings.adoc

@@ -2229,7 +2229,7 @@ m|+++block+++
 [frame="topbot", stripes=odd, grid="cols", cols="<1s,<4"]
 |===
 |Description
-a|Relationship count threshold for considering a node to be dense. This setting applies only to `standard`, `aligned`, `high_limit` formats.
+a|Relationship count threshold for considering a node to be dense. This setting applies only to `standard`, `aligned`, and `high_limit` formats.
 |Valid values
 a|An integer that is minimum `1`.
 |Default value

modules/ROOT/pages/database-internals/concurrent-data-access.adoc

@@ -258,7 +258,7 @@ For these additional locks, no assumptions or guarantees can be made concerning
 === Locks for dense nodes
 
 When creating or deleting relationships in Neo4j, dense nodes are not exclusively locked during a transaction.
-Rather, internally shared locks prevent the deletion of nodes, and shared degree locks are acquired for synchronizing with concurrent label changes for those nodes to ensure correct count updates.
+Rather, internally shared locks prevent the deletion of nodes and shared degree locks are acquired for synchronizing with concurrent label changes for those nodes to ensure correct count updates.
 
 `standard`, `aligned`, and `high_limit` store formats::
 A node is considered dense if it, at any point, has had 50 or more relationships.