diff --git a/src/proto_alpha/lib_protocol/src/baking.mli b/src/proto_alpha/lib_protocol/src/baking.mli
index 2a7f25510..9d590ad51 100644
--- a/src/proto_alpha/lib_protocol/src/baking.mli
+++ b/src/proto_alpha/lib_protocol/src/baking.mli
@@ -45,7 +45,7 @@ val check_endorsement_rights:
   context -> Kind.endorsement Operation.t ->
   (public_key_hash * int list * bool) tzresult Lwt.t
 
-(** Returns the endorsement reward calculated w.r.t a given priotiry.  *)
+(** Returns the endorsement reward calculated w.r.t a given priority.  *)
 val endorsement_reward: context -> block_priority:int -> int -> Tez.t tzresult Lwt.t
 
 (** [baking_priorities ctxt level] is the lazy list of contract's
diff --git a/src/proto_alpha/lib_protocol/src/delegate_storage.ml b/src/proto_alpha/lib_protocol/src/delegate_storage.ml
index 0eed840e6..3c69d5971 100644
--- a/src/proto_alpha/lib_protocol/src/delegate_storage.ml
+++ b/src/proto_alpha/lib_protocol/src/delegate_storage.ml
@@ -376,7 +376,7 @@ let punish ctxt delegate cycle =
   get_frozen_rewards ctxt contract cycle >>=? fun rewards ->
   Roll_storage.Delegate.remove_amount ctxt delegate deposit >>=? fun ctxt ->
   Roll_storage.Delegate.remove_amount ctxt delegate fees >>=? fun ctxt ->
-  (* Rewards are not in the delegate balance yet... *)
+  (* Rewards are not accounted in the delegate's rolls yet... *)
   Storage.Contract.Frozen_deposits.remove (ctxt, contract) cycle >>= fun ctxt ->
   Storage.Contract.Frozen_fees.remove (ctxt, contract) cycle >>= fun ctxt ->
   Storage.Contract.Frozen_rewards.remove (ctxt, contract) cycle >>= fun ctxt ->
diff --git a/src/proto_alpha/lib_protocol/src/raw_context.mli b/src/proto_alpha/lib_protocol/src/raw_context.mli
index 793afe174..0e7f065cd 100644
--- a/src/proto_alpha/lib_protocol/src/raw_context.mli
+++ b/src/proto_alpha/lib_protocol/src/raw_context.mli
@@ -69,8 +69,16 @@ val patch_constants:
   context Lwt.t
 val first_level: context -> Raw_level_repr.t
 
+(** Increment the current block fee stash that will be credited to baker's
+    frozen_fees account at finalize_application *)
 val add_fees: context -> Tez_repr.t -> context tzresult Lwt.t
+
+(** Increment the current block reward stash that will be credited to baker's
+    frozen_fees account at finalize_application *)
 val add_rewards: context -> Tez_repr.t -> context tzresult Lwt.t
+
+(** Increment the current block deposit stash for a specific delegate. All the
+    delegates' frozen_deposit accounts are credited at finalize_application *)
 val add_deposit:
   context -> Signature.Public_key_hash.t -> Tez_repr.t -> context tzresult Lwt.t