diff --git a/frame/multisig/src/lib.rs b/frame/multisig/src/lib.rs
index c96d4e723edf1..866952b317cf3 100644
--- a/frame/multisig/src/lib.rs
+++ b/frame/multisig/src/lib.rs
@@ -406,6 +406,9 @@ pub mod pallet {
 
 		/// DEPRECATED: Use the `approve_as_multi` extrinsic instead.
 		///
+		/// This extrinsic sets the expiry to `None`, while the `approve_as_multi` will allow you 
+		/// to set it to a certain block number.
+		///
 		/// Register approval for a dispatch to be made from a deterministic composite account if
 		/// approved by a total of `threshold - 1` of `other_signatories`.
 		///