docs: fix comment type (shellscape#78)

* docs: fix comment type

* docs: renamed to variables

Author: AndyOGo

docs/Comment.md

@@ -11,7 +11,7 @@ If `true`, indicates that the type of comment is "inline," or a comment that beg
 
 ### `type`
 Type: `String`
-Value: `'func'`
+Value: `'comment'`
 
 ### `value`
 Type: `String`<br>

docs/Exports.md

@@ -31,7 +31,7 @@ Default: `false`
 Set this option to enable parsing of interpolated values for languages such as SCSS. For example:
 `interpolation: { prefix: '@' }` will allow parsing of the interpolated value `@{batman}` which uses `@` as the "prefix". For SCSS one might use `interpolation: { prefix: '#' }`.
 
-##### `interpolation`
+##### `variables`
 Type: `Object`<br>
 Default: `{ prefixes: ['--'] }`