diff --git a/substrate/frame/staking/src/pallet/mod.rs b/substrate/frame/staking/src/pallet/mod.rs
index fa8c453c2b..498d861660 100644
--- a/substrate/frame/staking/src/pallet/mod.rs
+++ b/substrate/frame/staking/src/pallet/mod.rs
@@ -1109,7 +1109,7 @@ pub mod pallet {
 
 		/// (Re-)set the payment target for a controller.
 		///
-		/// Effects will be felt at the beginning of the next era.
+		/// Effects will be felt instantly (as soon as this function is completed successfully).
 		///
 		/// The dispatch origin for this call must be _Signed_ by the controller, not the stash.
 		///
@@ -1137,7 +1137,7 @@ pub mod pallet {
 
 		/// (Re-)set the controller of a stash.
 		///
-		/// Effects will be felt at the beginning of the next era.
+		/// Effects will be felt instantly (as soon as this function is completed successfully).
 		///
 		/// The dispatch origin for this call must be _Signed_ by the stash, not the controller.
 		///