diff --git a/doc/source/api/csst_proto.rst b/doc/source/api/csst_proto.rst
index d6617d0655b52537e0c449ccdd7a8c376593aac3..7afaaf1d4e44fa75c1da6ed1b750fe988ea3033b 100644
--- a/doc/source/api/csst_proto.rst
+++ b/doc/source/api/csst_proto.rst
@@ -1,5 +1,5 @@
-csst\_proto package
-===================
+API
+===
 
 
 csst\_proto.flip\_image
diff --git a/doc/source/index.rst b/doc/source/index.rst
index 97962f8a56cf276e520bdcef90fac1fb899aff0b..53fb0eaae5db6dd74cf9c95cf1de699697659195 100644
--- a/doc/source/index.rst
+++ b/doc/source/index.rst
@@ -15,8 +15,8 @@ csst_proto
     :alt: Documentation Status
 
 
-homepage
---------
+Welcome to csst_proto
+---------------------
 
 `csst_proto` is the CSST L1 pipeline prototype.