fix(doc): typo and update or wording

README.md

@@ -37,7 +37,7 @@ Add `doc-code-blocks` to the plugins section of your `.eslintrc` configuration f
 ## Configuration
 
 By default, the `doc-code-blocks` plugin uses the default ESLint rules, and the values for these could change
-from one ESLint release to another. So you'd want to lock in your roles, or you might want different rules
+from one ESLint release to another. So you'd want to lock in your rules, or you might want different rules
 then your code base. This is how you'd do that.
 
 In your `.eslintrc` or equivalent, set something like:
@@ -57,7 +57,7 @@ In your `.eslintrc` or equivalent, set something like:
 }
 ```
 
-Make sure to specify the `extends`, or your `doc-code-blocks/` namespaced rules will not work.
+Make sure to specify `'plugin:doc-code-blocks/all'` in the `extends` array, or your `doc-code-blocks/` namespaced rules will not work.
 You can use all of the default ESLint rules here, like `quotes` above.
 
 *Note: This plugin doesn't currently provide any rules of it's own.*