Update data-initialization.adoc

Author: 724thomas

spring-boot-project/spring-boot-docs/src/docs/asciidoc/howto/data-initialization.adoc

@@ -23,7 +23,7 @@ You can set `spring.jpa.hibernate.ddl-auto` explicitly, and the standard Hiberna
 Spring Boot chooses a default value for you based on whether it thinks your database is embedded.
 It defaults to `create-drop` if no schema manager has been detected or `none` in all other cases.
 An embedded database is detected by looking at the `Connection` type and JDBC url.
-`hsqldb`, `h2`, and `derby` are candidates, and others are not.
+`hsqldb`, `h2`, and `derby` are candidates, while others are not.
 Be careful when switching from in-memory to a '`real`' database that you do not make assumptions about the existence of the tables and data in the new platform.
 You either have to set `ddl-auto` explicitly or use one of the other mechanisms to initialize the database.