Use absolute link for headline anchor

Matching link elsewhere in the file

Author: Kissaki

book/pipelines.md

@@ -381,7 +381,7 @@ Many commands do have piped input/output however, and if it's ever unclear, chec
 
 ## Result Display Rendering
 
-In interactive mode, when a pipeline ends, the [`display_output` hook configuration](hooks.md#changing-how-output-is-displayed) defines how the result will be displayed.
+In interactive mode, when a pipeline ends, the [`display_output` hook configuration](https://www.nushell.sh/book/hooks.html#changing-how-output-is-displayed) defines how the result will be displayed.
 The default configuration uses the [`table` command](/commands/docs/table.md) to render structured data as a visual table.
 
 ## Output Result to External Commands