diff --git a/hotspot/src/jdk.hotspot.agent/share/classes/module-info.java b/hotspot/src/jdk.hotspot.agent/share/classes/module-info.java
index a5308d46ea2..2c9f4f26da5 100644
--- a/hotspot/src/jdk.hotspot.agent/share/classes/module-info.java
+++ b/hotspot/src/jdk.hotspot.agent/share/classes/module-info.java
@@ -26,6 +26,15 @@
 /**
  * Defines the implementation of the HotSpot Serviceability Agent.
  *
+ * <p> This module includes the <em>{@index jhsdb jhsdb tool}</em> tool to
+ * attach to a running Java Virtual Machine (JVM) or launch a postmortem
+ * debugger to analyze the content of a core-dump from a crashed JVM.
+ *
+ * <dl style="font-family:'DejaVu Sans', Arial, Helvetica, sans serif">
+ * <dt class="simpleTagLabel">Tool Guides:</dt>
+ * <dd> {@extLink jhsdb_tool_reference jhsdb}</dd>
+ * </dl>
+ *
  * @moduleGraph
  * @since 9
  */