Docs: Move id in the java-api (#40748)

Moves the id of the preface in the java-api so it is compatible with both AsciiDoc and Asciidoctor. As it stands now we apply the id that we want for the preface to the book itself which is strange and only works with AsciiDoc.
elastic · Apr 2, 2019 · 01cbd1a · 01cbd1a
1 parent 84ff9fb
commit 01cbd1a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/docs/java-api/index.asciidoc b/docs/java-api/index.asciidoc
@@ -1,8 +1,8 @@
-[[java-api]]
 = Java API
 
 include::../Versions.asciidoc[]
 
+[[java-api]]
 [preface]
 == Preface
 This section describes the Java API that elasticsearch provides. All