diff --git a/sdk/rust/README.md b/sdk/rust/README.md
index e04f6dc2f..91ea2cfba 100644
--- a/sdk/rust/README.md
+++ b/sdk/rust/README.md
@@ -80,7 +80,7 @@ command = "cargo build --target wasm32-wasi --release"
 watch = ["src/**/*.rs", "Cargo.toml"]
 ```
 
-## Building and Running the Spin Application
+### Building and Running the Spin Application
 
 Spin build can be used to build all components defined in the Spin manifest file at the same time, and also has a flag that starts the application after finishing the compilation, `spin build --up`: