diff --git a/doc/source/index.rst b/doc/source/index.rst
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--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -1,5 +1,5 @@
-Software Repository for Container
-=================================
+Software Repository for Containers
+==================================
 
 Software Repository for Container (SWR) provides full lifecycle container image management, which is easy-to-use, secure, and reliable. SWR enables users to quickly deploy containerized services.