Mark cargo:rustc-check-cfg as a subsection of check-cfg

rust-lang · Mar 2, 2023 · a518301 · a518301
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commit a518301
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/doc/src/reference/unstable.md b/src/doc/src/reference/unstable.md
@@ -1224,7 +1224,7 @@ println!("cargo:rustc-check-cfg=names(foo, bar)");
 cargo check -Z unstable-options -Z check-cfg=output
 ```
 
-### `cargo:rustc-check-cfg=CHECK_CFG`
+#### `cargo:rustc-check-cfg=CHECK_CFG`
 
 The `rustc-check-cfg` instruction tells Cargo to pass the given value to the
 `--check-cfg` flag to the compiler. This may be used for compile-time