Update how-to-migrate.md

fixed broken link

Author: melghazali

articles/cognitive-services/Translator/custom-translator/how-to-migrate.md

@@ -22,7 +22,7 @@ These actions are performed during migration:
 * Any migrated trainings that were not in the deployed state will be put into the migrated draft state. In this state, you will have the option of training a model with the migrated definition, but regular training charges will apply.
 * At any point, the BLEU score migrated from the Hub training can be found in the TrainingDetails page of the model in the “Bleu score in MT Hub” heading.
 
-> [!Note]
+> [!Note] 
 > For a training to succeed, Custom Translator requires a minimum of 10,000 unique extracted sentences. Custom Translator can't conduct a training with fewer than the [suggested minimum](sentence-alignment.md#suggested-minimum-number-of-sentences).
 
 ## Find Custom Translator Workspace ID