docs: update prefer-message-ids to include desc

Author: nopeless

README.md

@@ -91,7 +91,7 @@ module.exports = [
 | [no-unused-message-ids](docs/rules/no-unused-message-ids.md)                 | disallow unused `messageId`s in `meta.messages`                                            | ✅  |    |    |
 | [no-unused-placeholders](docs/rules/no-unused-placeholders.md)               | disallow unused placeholders in rule report messages                                       | ✅  |    |    |
 | [no-useless-token-range](docs/rules/no-useless-token-range.md)               | disallow unnecessary calls to `sourceCode.getFirstToken()` and `sourceCode.getLastToken()` | ✅  | 🔧 |    |
-| [prefer-message-ids](docs/rules/prefer-message-ids.md)                       | require using `messageId` instead of `message` to report rule violations                   | ✅  |    |    |
+| [prefer-message-ids](docs/rules/prefer-message-ids.md)                       | require using `messageId` instead of `message` or `desc` to report rule violations         | ✅  |    |    |
 | [prefer-object-rule](docs/rules/prefer-object-rule.md)                       | disallow function-style rules                                                              | ✅  | 🔧 |    |
 | [prefer-placeholders](docs/rules/prefer-placeholders.md)                     | require using placeholders for dynamic report messages                                     |    |    |    |
 | [prefer-replace-text](docs/rules/prefer-replace-text.md)                     | require using `replaceText()` instead of `replaceTextRange()`                              |    |    |    |

docs/rules/prefer-message-ids.md

@@ -1,4 +1,4 @@
-# Require using `messageId` instead of `message` to report rule violations (`eslint-plugin/prefer-message-ids`)
+# Require using `messageId` instead of `message` or `desc` to report rule violations (`eslint-plugin/prefer-message-ids`)
 
 💼 This rule is enabled in the ✅ `recommended` [config](https://github.com/eslint-community/eslint-plugin-eslint-plugin#presets).