From 731e199038dae40428afd2fb1056bafbdf54ea06 Mon Sep 17 00:00:00 2001
From: mcIovin <60447858+mcIovin@users.noreply.github.com>
Date: Thu, 7 Apr 2022 18:28:18 -0500
Subject: [PATCH] Improve docs for ERC721URIStorage._burn (#3324)

---
 .../token/ERC721/extensions/ERC721URIStorage.sol      | 11 +++--------
 1 file changed, 3 insertions(+), 8 deletions(-)

diff --git a/contracts/token/ERC721/extensions/ERC721URIStorage.sol b/contracts/token/ERC721/extensions/ERC721URIStorage.sol
index bc0e07e7f..f55fdb54c 100644
--- a/contracts/token/ERC721/extensions/ERC721URIStorage.sol
+++ b/contracts/token/ERC721/extensions/ERC721URIStorage.sol
@@ -48,14 +48,9 @@ abstract contract ERC721URIStorage is ERC721 {
     }
 
     /**
-     * @dev Destroys `tokenId`.
-     * The approval is cleared when the token is burned.
-     *
-     * Requirements:
-     *
-     * - `tokenId` must exist.
-     *
-     * Emits a {Transfer} event.
+     * @dev See {ERC721-_burn}. This override additionally checks to see if a
+     * token-specific URI was set for the token, and if so, it deletes the token URI from
+     * the storage mapping.
      */
     function _burn(uint256 tokenId) internal virtual override {
         super._burn(tokenId);