diff --git a/lez/chain_state/src/chain.rs b/lez/chain_state/src/chain.rs
index 35dc458b..b65ece7b 100644
--- a/lez/chain_state/src/chain.rs
+++ b/lez/chain_state/src/chain.rs
@@ -183,7 +183,8 @@ impl ChainState {
     /// Rebuilds one head entry from a persisted block, applying it in place (the
     /// caller treats `Err` as fatal).
     ///
-    /// Pass a hash-derived sentinel for `this_msg`; orphan/finalize events then correlate by block hash.
+    /// Pass a hash-derived sentinel for `this_msg`; orphan/finalize events then correlate by block
+    /// hash.
     pub fn restore_head_block(
         &mut self,
         this_msg: MsgId,