Fix link to HAL Explorer doc in README.adoc.

Fixes: #2151

Author: toedter

README.adoc

@@ -17,7 +17,7 @@ The first exporter implemented is a JPA Repository exporter. This takes your JPA
 * Allows to https://docs.spring.io/spring-data/rest/docs/current/reference/html/#events[hook into the handling of REST requests] by handling Spring `ApplicationEvents`.
 * https://docs.spring.io/spring-data/rest/docs/current/reference/html/#metadata[Exposes metadata] about the model discovered as ALPS and JSON Schema.
 * Allows to define client specific representations through https://docs.spring.io/spring-data/rest/docs/current/reference/html/#projections-excerpts[projections].
-* Ships the latest release of https://docs.spring.io/spring-data/rest/docs/current/reference/html/#hal-explorer[HAL Explorer] to easily explore HAL based HTTP responses.
+* Ships the latest release of https://docs.spring.io/spring-data/rest/docs/current/reference/html/#tools.hal-explorer[HAL Explorer] to easily explore HAL and HAL-FORMS based HTTP responses.
 * Currently supports JPA, MongoDB, Neo4j, Solr, Cassandra, Gemfire.
 * Allows https://docs.spring.io/spring-data/rest/docs/current/reference/html/#customizing-sdr[advanced customizations] of the default resources exposed.