diff --git a/doc/source/index.rst b/doc/source/index.rst
index 450b24f..95092d9 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -1,9 +1,11 @@
 Resource Formation Service
 ==========================
 
+With Resource Formation Service, you can manage system and service resources (all physical or logical entities that can be located and described, such as databases, VPCs, pipelines, and IAM roles). You can automatically deploy specified cloud service resources based on the template which uses the HCL (an open ecosystem) syntax.
+
 .. directive_wrapper::
    :class: container-sbv
 
    .. service_card::
-      :service_type: rfs
-      :environment: internal
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+      :service_type: Resource Formation Service
+      :umn: This document describes basic concepts, functions, key terms, and FAQs of the Resource Formation Service (RFS) and provides guidances for creating private templates, stacks, execution plans and so on.
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