diff --git a/ostree-ext/tests/it/main.rs b/ostree-ext/tests/it/main.rs
index 97a74f5da..5e32a6239 100644
--- a/ostree-ext/tests/it/main.rs
+++ b/ostree-ext/tests/it/main.rs
@@ -1,3 +1,5 @@
+//! Main integration tests that use the public APIs.
+
 use anyhow::{Context, Result};
 use camino::Utf8Path;
 use cap_std::fs::{Dir, DirBuilder, DirBuilderExt};