# Compiler Test Documentation
-In the Rust project, we use a special set of comands embedded in
+In the Rust project, we use a special set of commands embedded in
comments to test the Rust compiler. There are two groups of commands:
1. Header commands
`~^^^^^^^` is seven lines up.
The error levels that you can have are:
+
1. `ERROR`
2. `WARNING`
3. `NOTE`