DATACMNS-1730 - Update releasetrain reference documentation with spring-data-bom artifact.

Author: mp911de

src/main/asciidoc/dependencies.adoc

@@ -11,7 +11,7 @@ Due to the different inception dates of individual Spring Data modules, most of
   <dependencies>
     <dependency>
       <groupId>org.springframework.data</groupId>
-      <artifactId>spring-data-releasetrain</artifactId>
+      <artifactId>spring-data-bom</artifactId>
       <version>{releasetrainVersion}</version>
       <scope>import</scope>
       <type>pom</type>
@@ -22,13 +22,13 @@ Due to the different inception dates of individual Spring Data modules, most of
 ====
 
 [[dependencies.train-names]]
-The current release train version is `{releasetrainVersion}`. The train names ascend alphabetically and the currently available trains are listed https://github.com/spring-projects/spring-data-commons/wiki/Release-planning[here]. The version name follows the following pattern: `${name}-${release}`, where release can be one of the following:
+[[dependencies.train-version]]
+The current release train version is `{releasetrainVersion}`. The train version uses https://calver.org/[calver] with the pattern `YYYY.MINOR.MICRO`.
+The version name follows `${calver}` for GA releases and service releases and the following pattern for all other versions: `${calver}-${modifier}`, where `modifier` can be one of the following:
 
-* `BUILD-SNAPSHOT`: Current snapshots
+* `SNAPSHOT`: Current snapshots
 * `M1`, `M2`, and so on: Milestones
 * `RC1`, `RC2`, and so on: Release candidates
-* `RELEASE`: GA release
-* `SR1`, `SR2`, and so on: Service releases
 
 A working example of using the BOMs can be found in our https://github.com/spring-projects/spring-data-examples/tree/master/bom[Spring Data examples repository]. With that in place, you can declare the Spring Data modules you would like to use without a version in the `<dependencies />` block, as follows:
 
@@ -48,7 +48,7 @@ A working example of using the BOMs can be found in our https://github.com/sprin
 [[dependencies.spring-boot]]
 == Dependency Management with Spring Boot
 
-Spring Boot selects a recent version of Spring Data modules for you. If you still want to upgrade to a newer version, configure the property `spring-data-releasetrain.version` to the <<dependencies.train-names,train name and iteration>> you would like to use.
+Spring Boot selects a recent version of Spring Data modules for you. If you still want to upgrade to a newer version, configure the property `spring-data-releasetrain.version` to the <<dependencies.train-version,train version and iteration>> you would like to use.
 
 [[dependencies.spring-framework]]
 == Spring Framework