Updated README.

Author: github-actions[bot]

README.md

@@ -41,15 +41,15 @@ Add the `Inputs` and/or `Outputs` [`H2` header](https://github.com/adam-p/markdo
 
 <!-- AUTO-DOC-INPUT:START - Do not remove or modify this section -->
 
-|     INPUT      |  TYPE  | REQUIRED |    DEFAULT     |                 DESCRIPTION                 |
-|----------------|--------|----------|----------------|---------------------------------------------|
-| action         | string | false    | `"action.yml"` | Path to the action.yml file<br>             |
-| bin\_path       | string | false    |                | Path to the binary                          |
-| col\_max\_width  | string | false    | `"1000"`       | Max width of a column<br>                   |
-| col\_max\_words  | string | false    | `"5"`          | Max number of words per<br>line in a column |
-| input\_columns  | string | false    |                | List of Input columns names<br>to display   |
-| output         | string | false    | `"README.md"`  | Path to the output file<br>                 |
-| output\_columns | string | false    |                | List of Output column names<br>to display   |
+|     INPUT      |  TYPE  | REQUIRED |    DEFAULT     |                                 DESCRIPTION                                 |
+|----------------|--------|----------|----------------|-----------------------------------------------------------------------------|
+| action         | string | false    | `"action.yml"` | Path to the action.yml file<br>                                             |
+| bin\_path       | string | false    |                | Path to the binary                                                          |
+| col\_max\_width  | string | false    | `"1000"`       | Max width of a column<br>                                                   |
+| col\_max\_words  | string | false    | `"5"`          | Max number of words per<br>line in a column                                 |
+| input\_columns  | string | false    |                | List of Input columns names<br>to display, default (display all<br>columns) |
+| output         | string | false    | `"README.md"`  | Path to the output file<br>                                                 |
+| output\_columns | string | false    |                | List of Output column names<br>to display, default (display all<br>columns) |
 
 <!-- AUTO-DOC-INPUT:END -->