From 7f6f12f8fb61fd714a5b5fea262e4a4ae29036ee Mon Sep 17 00:00:00 2001
From: ling jia <galaxis.ling@gmail.com>
Date: Fri, 25 Aug 2023 16:48:10 +0800
Subject: [PATCH] replace T::BlockNumber with BlockNumberFor<T>

It will cause error because associated type `BlockNumber` not found for `T`
---
 .../build-application-logic/use-macros-in-a-custom-pallet.md    | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/content/md/en/docs/tutorials/build-application-logic/use-macros-in-a-custom-pallet.md b/content/md/en/docs/tutorials/build-application-logic/use-macros-in-a-custom-pallet.md
index 7ace105f4..9637fdf56 100644
--- a/content/md/en/docs/tutorials/build-application-logic/use-macros-in-a-custom-pallet.md
+++ b/content/md/en/docs/tutorials/build-application-logic/use-macros-in-a-custom-pallet.md
@@ -238,7 +238,7 @@ To implement storage for the proof-of-existence pallet:
 
    ```rust
    #[pallet::storage]
-   pub(super) type Claims<T: Config> = StorageMap<_, Blake2_128Concat, T::Hash, (T::AccountId, T::BlockNumber)>;
+   pub(super) type Claims<T: Config> = StorageMap<_, Blake2_128Concat, T::Hash, (T::AccountId, BlockNumberFor<T>)>;
    ```
 
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