diff --git a/light-client-verifier/src/verifier.rs b/light-client-verifier/src/verifier.rs
index 748821060..efd653bd0 100644
--- a/light-client-verifier/src/verifier.rs
+++ b/light-client-verifier/src/verifier.rs
@@ -252,6 +252,11 @@ where
     /// **NOTE**: If the untrusted state's `next_validators` field is `None`,
     /// this will not (and will not be able to) check whether the untrusted
     /// state's `next_validators_hash` field is valid.
+    ///
+    /// **NOTE**: It is the caller's responsibility to ensure that
+    /// `trusted.next_validators.hash() == trusted.next_validators_hash`,
+    /// as typically the `trusted.next_validators` validator set comes from the relayer,
+    /// and `trusted.next_validators_hash` is the hash stored on chain.
     fn verify(
         &self,
         untrusted: UntrustedBlockState<'_>,