142c142
< +  label: 'Book root from current node'
---
> +  label: 'Top Level Book from current node'
167c167
< + * Default argument plugin to get the current node's book root.
---
> + * Default argument plugin to get the current node's top level book.
171c171
< + *   title = @Translation("Book root from current node")
---
> + *   title = @Translation("Top Level book from current node")
237c237
<  
---
> 
246c246
<  
---
> 
252c252
<  
---
> 
255c255
<  
---
> 
451,462c451,461
< +    /*
< +     * Add page hierarchy to book.
< +     * Book
< +     *  |- Node 0
< +     *   |- Node 1
< +     *    |- Node 2
< +     *     |- Node 3
< +     *      |- Node 4
< +     *       |- Node 5
< +     *        |- Node 6
< +     *         |- Node 7
< +     */
---
> +     // Add page hierarchy to book.
> +     // Book
> +     //  |- Node 0
> +     //   |- Node 1
> +     //    |- Node 2
> +     //     |- Node 3
> +     //      |- Node 4
> +     //       |- Node 5
> +     //        |- Node 6
> +     //         |- Node 7
> +