MINOR: Document change to mention hadoop/Kerberos Plugins moved to package org.apache.solr.security.hadoop (#1673)
Co-authored-by: Senthil Kumar <skumarb@visa.com>
diff --git a/solr/solr-ref-guide/modules/upgrade-notes/pages/major-changes-in-solr-9.adoc b/solr/solr-ref-guide/modules/upgrade-notes/pages/major-changes-in-solr-9.adoc
index 4dd89f9..8183846 100644
--- a/solr/solr-ref-guide/modules/upgrade-notes/pages/major-changes-in-solr-9.adoc
+++ b/solr/solr-ref-guide/modules/upgrade-notes/pages/major-changes-in-solr-9.adoc
@@ -157,7 +157,7 @@
If you rely upon the previous behavior, then you can change the `clientPortAddress` in `solr/server/solr/zoo.cfg`
* Jetty low level request-logging in NCSA format is now enabled by default, with a retention of 3 days worth of logs.
This may require some more disk space for logs than was the case in version 8.x. See xref:deployment-guide:configuring-logging.adoc[Configuring Logging] for how to change this.
-* Hadoop authentication support has been moved to the new `hadoop-auth` module. Existing Solr configurations do not need any Hadoop authentication related changes, however the module needs to be installed - see the section xref:deployment-guide:hadoop-authentication-plugin.adoc[].
+* Hadoop authentication support has been moved to the new `hadoop-auth` module. Users need to add the module `hadoop-auth` to classpath. The plugins has also changed package name to `org.apache.solr.security.hadoop`, but can still be loaded as shortform `class="solr.HadoopAuthPlugin"`, `class="solr.ConfigurableInternodeAuthHadoopPlugin"` or `class="solr.KerberosPlugin"` - see the section xref:deployment-guide:hadoop-authentication-plugin.adoc[].
* xref:deployment-guide:jwt-authentication-plugin.adoc[JWTAuthPlugin] has been moved to a module. Users need to add the module `jwt-auth` to classpath. The plugin has also
changed package name to `org.apache.solr.security.jwt`, but can still be loaded as shortform `class="solr.JWTAuthPlugin"`.
* Dependency updates - A lot of dependency updates removes several security issues from dependencies, and thus make Solr more secure.
