diff --git a/doc/Rust-to-LLGO-Migration-Guide.md b/doc/How-to-support-a-Rust-Library.md
similarity index 99%
rename from doc/Rust-to-LLGO-Migration-Guide.md
rename to doc/How-to-support-a-Rust-Library.md
index c6b3a3c8..7b7ba70d 100644
--- a/doc/Rust-to-LLGO-Migration-Guide.md
+++ b/doc/How-to-support-a-Rust-Library.md
@@ -1,4 +1,5 @@
-# Rust to LLGO Migration Document
+How to support a Rust Library
+=====
 
 ## Add Dependencies & Build Configuration