Fix url broken
The related url to **custom named entities** was broken
@@ -203,7 +203,7 @@ p
p
| If you've trained your own model, for example for
| #[+a("/docs/usage/adding-languages") additional languages] or
- | #[+a("/docs/usage/train-ner") custom named entities], you can save its
+ | #[+a("/docs/usage/training-ner") custom named entities], you can save its
| state using the #[code Language.save_to_directory()] method. To make the
| model more convenient to deploy, we recommend wrapping it as a Python
| package.
