diff --git a/substrate/frame/support/procedural/src/lib.rs b/substrate/frame/support/procedural/src/lib.rs
index 5f2f59753e..f0d4c30a93 100644
--- a/substrate/frame/support/procedural/src/lib.rs
+++ b/substrate/frame/support/procedural/src/lib.rs
@@ -238,8 +238,8 @@ pub fn construct_runtime(input: TokenStream) -> TokenStream {
 /// * Weights no longer need to be specified on every `#[pallet::call]` declaration. By default, dev
 ///   mode pallets will assume a weight of zero (`0`) if a weight is not specified. This is
 ///   equivalent to specifying `#[weight(0)]` on all calls that do not specify a weight.
-/// * Call index no longer needs to be specified on every `#[pallet::call]` declaration. By default,
-///   dev mode pallets will assume a call index based on the order of the call.
+/// * Call indices no longer need to be specified on every `#[pallet::call]` declaration. By
+///   default, dev mode pallets will assume a call index based on the order of the call.
 /// * All storages are marked as unbounded, meaning you do not need to implement `MaxEncodedLen` on
 ///   storage types. This is equivalent to specifying `#[pallet::unbounded]` on all storage type
 ///   definitions.
diff --git a/substrate/frame/support/src/lib.rs b/substrate/frame/support/src/lib.rs
index 5a460a3fda..230a3ab5a3 100644
--- a/substrate/frame/support/src/lib.rs
+++ b/substrate/frame/support/src/lib.rs
@@ -1660,9 +1660,14 @@ pub mod pallet_prelude {
 ///   default, dev mode pallets will assume a weight of zero (`0`) if a weight is not
 ///   specified. This is equivalent to specifying `#[weight(0)]` on all calls that do not
 ///   specify a weight.
+/// * Call indices no longer need to be specified on every `#[pallet::call]` declaration. By
+///   default, dev mode pallets will assume a call index based on the order of the call.
 /// * All storages are marked as unbounded, meaning you do not need to implement
 ///   `MaxEncodedLen` on storage types. This is equivalent to specifying `#[pallet::unbounded]`
 ///   on all storage type definitions.
+/// * Storage hashers no longer need to be specified and can be replaced by `_`. In dev mode,
+///   these will be replaced by `Blake2_128Concat`. In case of explicit key-binding, `Hasher`
+///   can simply be ignored when in `dev_mode`.
 ///
 /// Note that the `dev_mode` argument can only be supplied to the `#[pallet]` or
 /// `#[frame_support::pallet]` attribute macro that encloses your pallet module. This argument