Minor fixes to Reactive SQL clients guide

* DB2 -> IBM Db2
* Add link anchor to the table with the details

docs/src/main/asciidoc/reactive-sql-clients.adoc

@@ -11,7 +11,7 @@ include::./attributes.adoc[]
 The Reactive SQL Clients have a straightforward API focusing on scalability and low-overhead.
 Currently, the following database servers are supported:
 
-* DB2
+* IBM Db2
 * PostgreSQL
 * MariaDB/MySQL
 * Microsoft SQL Server
@@ -470,13 +470,14 @@ $(document).ready(function () {
 All done!
 Navigate to http://localhost:8080/fruits.html and read/create/delete some fruits.
 
+[[reactive-sql-clients-details]]
 == Database Clients details
 
 [cols="10,40,40,10"]
 |===
 |Database |Extension name |Pool class name |Placeholders
 
-|DB2
+|IBM Db2
 |`quarkus-reactive-db2-client`
 |`io.vertx.mutiny.db2client.DB2Pool`
 |`?`
@@ -716,7 +717,7 @@ include::{generated-dir}/config/quarkus-datasource.adoc[opts=optional, leveloffs
 
 include::{generated-dir}/config/quarkus-reactive-datasource.adoc[opts=optional, leveloffset=+1]
 
-=== DB2
+=== IBM Db2
 
 include::{generated-dir}/config/quarkus-reactive-db2-client.adoc[opts=optional, leveloffset=+1]