small clarification

Author: JPryce-Aklundh

modules/ROOT/pages/introduction/cypher-neo4j.adoc

@@ -18,7 +18,7 @@ Cypher works almost identically between the two editions, but there are key area
 
 | link:{neo4j-docs-base-uri}/operations-manual/current/database-administration/[Multi-database]
 a|
-Any number of user databases.
+A `system` database and any number of user databases.
 a|
 Only `system` and one user database.