diff --git a/src/mode.rs b/src/mode.rs
index 4fd1f84..9b7bc76 100644
--- a/src/mode.rs
+++ b/src/mode.rs
@@ -1,3 +1,5 @@
+//! [`Mode`]-based parsing.
+
 mod inlining;
 mod regular;
 mod serialization;