#503 - Update documentation to reflect Spring R2DBC's logger prefix.

Author: mp911de

src/main/asciidoc/reference/r2dbc-core.adoc

@@ -1,6 +1,6 @@
 R2DBC contains a wide range of features:
 
-* Spring configuration support with Java-based `@Configuration` classes  for an R2DBC driver instance.
+* Spring configuration support with Java-based `@Configuration` classes for an R2DBC driver instance.
 * `R2dbcEntityTemplate` as central class for entity-bound operations that increases productivity when performing common R2DBC operations with integrated object mapping between rows and POJOs.
 * Feature-rich object mapping integrated with Spring's Conversion Service.
 * Annotation-based mapping metadata that is extensible to support other metadata formats.
@@ -79,12 +79,12 @@ To do so:
 
 The repository is also https://repo.spring.io/milestone/org/springframework/data/[browseable here].
 
-You may also want to set the logging level to `DEBUG` to see some additional information. To do so, edit the `application.properties` file to have the following content:
+You may also want to set the logging level to `DEBUG` to see some additional information.To do so, edit the `application.properties` file to have the following content:
 
 ====
 [source]
 ----
-logging.level.org.springframework.data.r2dbc=DEBUG
+logging.level.org.springframework.r2dbc=DEBUG
 ----
 ====
 
@@ -138,7 +138,7 @@ Even in this simple example, there are few things to notice:
 
 * You can create an instance of the central helper class in Spring Data R2DBC (`R2dbcEntityTemplate`) by using a standard `io.r2dbc.spi.ConnectionFactory` object.
 * The mapper works against standard POJO objects without the need for any additional metadata (though you can, optionally, provide that information -- see <<mapping,here>>.).
-* Mapping conventions can use field access. Notice that the `Person` class has only getters.
+* Mapping conventions can use field access.Notice that the `Person` class has only getters.
 * If the constructor argument names match the column names of the stored row, they are used to instantiate the object.
 
 [[r2dbc.examples-repo]]

src/main/asciidoc/reference/r2dbc-upgrading.adoc

@@ -18,6 +18,8 @@ Spring R2DBC's `DatabaseClient` is a more lightweight implementation that encaps
 You will notice that the method to run SQL statements changed from `DatabaseClient.execute(…)` to `DatabaseClient.sql(…)`.
 The fluent API for CRUD operations has moved into `R2dbcEntityTemplate`.
 
+If you use logging of SQL statements through the logger prefix `org.springframework.data.r2dbc`, make sure to update it to `org.springframework.r2dbc` (that is removing `.data`) to point to Spring R2DBC components.
+
 [[upgrading.1.1-1.2.deprecation]]
 === Deprecations