fix doc

Author: ota-meshi

README.md

@@ -93,7 +93,7 @@ The rules with the following star :star: are included in the `plugin:regexp/reco
 | [regexp/no-empty-lookarounds-assertion](https://ota-meshi.github.io/eslint-plugin-regexp/rules/no-empty-lookarounds-assertion.html) | disallow empty lookahead assertion or empty lookbehind assertion | :star: |
 | [regexp/no-escape-backspace](https://ota-meshi.github.io/eslint-plugin-regexp/rules/no-escape-backspace.html) | disallow escape backspace (`[\b]`) | :star: |
 | [regexp/no-invisible-character](https://ota-meshi.github.io/eslint-plugin-regexp/rules/no-invisible-character.html) | disallow invisible raw character | :star::wrench: |
-| [regexp/no-legacy-features](https://ota-meshi.github.io/eslint-plugin-regexp/rules/no-legacy-features.html) | disallow invisible raw character |  |
+| [regexp/no-legacy-features](https://ota-meshi.github.io/eslint-plugin-regexp/rules/no-legacy-features.html) | disallow legacy RegExp features |  |
 | [regexp/no-octal](https://ota-meshi.github.io/eslint-plugin-regexp/rules/no-octal.html) | disallow octal escape sequence | :star: |
 | [regexp/no-useless-backreference](https://ota-meshi.github.io/eslint-plugin-regexp/rules/no-useless-backreference.html) | disallow useless backreferences in regular expressions |  |
 | [regexp/no-useless-character-class](https://ota-meshi.github.io/eslint-plugin-regexp/rules/no-useless-character-class.html) | disallow character class with one character | :wrench: |

docs/rules/README.md

@@ -21,7 +21,7 @@ The rules with the following star :star: are included in the `plugin:regexp/reco
 | [regexp/no-empty-lookarounds-assertion](./no-empty-lookarounds-assertion.md) | disallow empty lookahead assertion or empty lookbehind assertion | :star: |
 | [regexp/no-escape-backspace](./no-escape-backspace.md) | disallow escape backspace (`[\b]`) | :star: |
 | [regexp/no-invisible-character](./no-invisible-character.md) | disallow invisible raw character | :star::wrench: |
-| [regexp/no-legacy-features](./no-legacy-features.md) | disallow invisible raw character |  |
+| [regexp/no-legacy-features](./no-legacy-features.md) | disallow legacy RegExp features |  |
 | [regexp/no-octal](./no-octal.md) | disallow octal escape sequence | :star: |
 | [regexp/no-useless-backreference](./no-useless-backreference.md) | disallow useless backreferences in regular expressions |  |
 | [regexp/no-useless-character-class](./no-useless-character-class.md) | disallow character class with one character | :wrench: |

docs/rules/no-legacy-features.md

@@ -2,11 +2,11 @@
 pageClass: "rule-details"
 sidebarDepth: 0
 title: "regexp/no-legacy-features"
-description: "disallow invisible raw character"
+description: "disallow legacy RegExp features"
 ---
 # regexp/no-legacy-features
 
-> disallow invisible raw character
+> disallow legacy RegExp features
 
 - :exclamation: <badge text="This rule has not been released yet." vertical="middle" type="error"> ***This rule has not been released yet.*** </badge>