message: docs: use correct numerus
diff: @@ -168,7 +168,7 @@ So we'll add a new file there:
  There are a number of things to note here:
  * `patterns` and `docs` can be listen in a folder, but folders can not
  - * content `*.md` files with defined `options.query` is not displayed in the interface
  + * content `*.md` files with defined `options.query` are not displayed in the interface
  * `patterns` and `docs` can be listed in multiple different virtual folders
  ## Related topics
  