diff --git a/paper/paper.ms b/paper/paper.ms
index b5e1c6d..b996401 100644
--- a/paper/paper.ms
+++ b/paper/paper.ms
@@ -1264,7 +1264,9 @@ Examples: SQLite and DuckDB.
 .B "New types of SQL" .
 Example:
 .B EdgeDB
-(modern SQL with easy-of-use complex relations).
+(modern SQL-like with easy-of-use complex relations),
+.B RethinkDB
+(modern SQL-like, JSON exchanges, distributed).
 
 .BULLET
 .B "Key-value stores."
@@ -1274,21 +1276,22 @@ Examples:
 .B Memcached
 (application to store data cache, not to be used as a primary database system),
 .B CockroachDB
-(distributed, supports ACID transactional semantics)
+(proprietary, distributed, ACID transactions)
 
 .BULLET
 .B "Document databases" .
 Such as DODB, many other document-oriented databases exist.
 For example,
 .B CouchDB
-(distributed, fault-tolerant, RESTful HTTP and JSON API, etc.).
+(distributed, fault-tolerant, RESTful HTTP and JSON API…),
+.B "MongoDB"
+(proprietary, ACID transactions, replication…),
+.B UnQlite
+(embedded, ACID transactions, embedded scripting language…).
 
 .BULLET
 .B "Redis"
 
-.BULLET
-.B "MongoDB"
-
 .BULLET
 .B "duckdb"
 .ENDBULLET