Fix formatting in README

Author: flashcode

README.md

@@ -152,17 +152,17 @@ outside WeeChat, which is rare.
 
 ### Info: missing_spdx_copyright
 
-**Issue**: the copyright tag "SPDX-FileCopyrightText" is missing in the script header.
+**Issue**: the copyright tag `SPDX-FileCopyrightText` is missing in the script header.
 
-**How to fix**: add the [SPDX](https://spdx.dev/) copyright tag "SPDX-FileCopyrightText"
+**How to fix**: add the [SPDX](https://spdx.dev/) copyright tag `SPDX-FileCopyrightText`
 in the script header
 (see [Scripting contributing guide](https://github.com/weechat/scripts/blob/main/CONTRIBUTING.md#copyright-and-license)).
 
 ### Info: missing_spdx_license
 
-**Issue**: the license tag "SPDX-License-Identifier" is missing in the script header.
+**Issue**: the license tag `SPDX-License-Identifier` is missing in the script header.
 
-**How to fix**: add the [SPDX](https://spdx.dev/) license tag "SPDX-License-Identifier"
+**How to fix**: add the [SPDX](https://spdx.dev/) license tag `SPDX-License-Identifier`
 in the script header
 (see [Scripting contributing guide](https://github.com/weechat/scripts/blob/main/CONTRIBUTING.md#copyright-and-license)).