fix: typo (#40)

README.md

@@ -64,7 +64,7 @@ Add the following to your `.eslintrc` config:
     "import/resolver": {
       // use <root>/tsconfig.json
       "typescript": {
-        "alwaysTryTypes": true // always try to resolve types under `<roo/>@types` directory even it doesn't contain any source code, like `@types/unist`
+        "alwaysTryTypes": true // always try to resolve types under `<root>@types` directory even it doesn't contain any source code, like `@types/unist`
       },
 
       // use <root>/path/to/folder/tsconfig.json