fixed invalid reference

Author: martijnvg

docs/java-rest/high-level/supported-apis.asciidoc

@@ -646,7 +646,7 @@ The Java High Level REST Client supports the following Enrich APIs:
 * <<{upid}-enrich-put-policy>>
 * <<{upid}-enrich-delete-policy>>
 * <<{upid}-enrich-get-policy>>
-* <<{upid}-enrich-stats-policy>>
+* <<{upid}-enrich-stats>>
 * <<{upid}-enrich-execute-policy>>
 
 include::enrich/put_policy.asciidoc[]