docs(readme): add fixable information

Author: azu

README.md

@@ -1,6 +1,11 @@
 # textlint-rule-no-nfd [![textlint rule](https://img.shields.io/badge/textlint-fixable-green.svg?style=social)](https://textlint.github.io/) 
 
-textlint rule that disallow to use NFD like UTF8-MAC 濁点.
+[textlint](https://textlint.github.io/ "textlint") rule that disallow to use NFD like UTF8-MAC 濁点.
+
+> ホ゜ケット
+> エンシ゛ン
+
+といったMac OS XでPDFやFinderからのコピペで問題となる濁点を見つけて、修正する[textlint](https://textlint.github.io/ "textlint")ルールです。
 
 ## Install
 
@@ -27,6 +32,13 @@ Via CLI
 textlint --rule no-nfd README.md
 ```
 
+## Fixable
+
+[![textlint rule](https://img.shields.io/badge/textlint-fixable-green.svg?style=social)](https://textlint.github.io/) 
+
+`textlint --fix` での[自動修正](https://github.com/textlint/textlint/blob/master/docs/rule-fixer.md)に対応しています。
+
+
 ## Example
 
 ゜or `\u309a`

src/textlint-rule-no-nfd.js

@@ -18,9 +18,9 @@ function reporter(context) {
                 }
                 // \u309b\u309c => \u309a\u3099
                 const dakutenChars = text.slice(index - 1, index + 1);
-                const nfdlized = dakutenChars.replace("\u309B", "\u3099").replace("\u309C", "\u309A")
+                const nfdlized = dakutenChars.replace("\u309B", "\u3099").replace("\u309C", "\u309A");
                 const expectedText = unorm.nfc(nfdlized);
-                const ruleError = new RuleError(`Disallow to use NFD(well-known as Mac濁点): "${dakutenChars}" => "${expectedText}"`, {
+                const ruleError = new RuleError(`Disallow to use NFD(well-known as UTF8-MAC 濁点): "${dakutenChars}" => "${expectedText}"`, {
                     index,
                     fix: fixer.replaceTextRange([index - 1, index + 1], expectedText)
                 });

test/textlint-rule-no-nfd-test.js

@@ -16,7 +16,7 @@ tester.run("no-todo", rule, {
             output: "ポケット",
             errors: [
                 {
-                    message: `Disallow to use NFD(well-known as Mac濁点): "ホ\u309a" => "ポ"`,
+                    message: `Disallow to use NFD(well-known as UTF8-MAC 濁点): "ホ\u309a" => "ポ"`,
                     line: 1,
                     column: 2
                 }
@@ -27,7 +27,7 @@ tester.run("no-todo", rule, {
             output: "ポケット",
             errors: [
                 {
-                    message: `Disallow to use NFD(well-known as Mac濁点): "ホ\u309c" => "ポ"`,
+                    message: `Disallow to use NFD(well-known as UTF8-MAC 濁点): "ホ\u309c" => "ポ"`,
                     line: 1,
                     column: 2
                 }
@@ -38,7 +38,7 @@ tester.run("no-todo", rule, {
             output:"エンジン",
             errors: [
                 {
-                    message: `Disallow to use NFD(well-known as Mac濁点): "シ\u3099" => "ジ"`,
+                    message: `Disallow to use NFD(well-known as UTF8-MAC 濁点): "シ\u3099" => "ジ"`,
                     line: 1,
                     column: 4
                 }
@@ -50,7 +50,7 @@ tester.run("no-todo", rule, {
             output:"エンジン",
             errors: [
                 {
-                    message: `Disallow to use NFD(well-known as Mac濁点): "シ\u309b" => "ジ"`,
+                    message: `Disallow to use NFD(well-known as UTF8-MAC 濁点): "シ\u309b" => "ジ"`,
                     line: 1,
                     column: 4
                 }