docs: update broken link (#16788)

Junseong Park created

Release Notes:

- N/A

Change summary

docs/src/completions.md | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)

Detailed changes

docs/src/completions.md 🔗

@@ -88,4 +88,4 @@ You can also add this as a language-specific setting in your `settings.json` to
 
 ## See also
 
-You may also use the Assistant Panel or the Inline Assistant to interact with language models, see the [assistant](assistant.md) documentation for more information.
+You may also use the Assistant Panel or the Inline Assistant to interact with language models, see the [assistant](assistant/assistant.md) documentation for more information.