diff --git a/zenith_utils/src/lib.rs b/zenith_utils/src/lib.rs
index 8acd9cb84b..9de98202c6 100644
--- a/zenith_utils/src/lib.rs
+++ b/zenith_utils/src/lib.rs
@@ -1,4 +1,5 @@
 //! zenith_utils is intended to be a place to put code that is shared
 //! between other crates in this repository.
 
+/// SeqWait allows waiting for a future sequence number to arrive
 pub mod seqwait;
diff --git a/zenith_utils/src/seqwait.rs b/zenith_utils/src/seqwait.rs
index 633a862fde..c30304ab6a 100644
--- a/zenith_utils/src/seqwait.rs
+++ b/zenith_utils/src/seqwait.rs
@@ -1,3 +1,5 @@
+#![warn(missing_docs)]
+
 use std::collections::BTreeMap;
 use std::mem;
 use std::sync::Mutex;