diff --git a/doc/source/man/heat-manage.rst b/doc/source/man/heat-manage.rst
index 06fb6b294..115b73ebe 100644
--- a/doc/source/man/heat-manage.rst
+++ b/doc/source/man/heat-manage.rst
@@ -22,7 +22,7 @@ The standard pattern for executing a heat-manage command is:
 Run with -h to see a list of available commands:
 ``heat-manage -h``
 
-Commands are db_version, db_sync and purge_deleted. Detailed descriptions are below.
+Commands are db_version, db_sync, purge_deleted and service. Detailed descriptions are below.
 
 
 Heat Db version
@@ -40,6 +40,9 @@ Heat Db version
 
     Purge db entries marked as deleted and older than [age].
 
+``heat-manage service list``
+
+    Shows details for all currently running heat engines.
 
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