[Seamless] Fix links in docs (#27905)

* [Seamless] Fix links in docs

* apply suggestions from code review

docs/source/en/model_doc/seamless_m4t.md

@@ -15,7 +15,8 @@ specific language governing permissions and limitations under the License.
 ## Overview
 
 The SeamlessM4T model was proposed in [SeamlessM4T — Massively Multilingual & Multimodal Machine Translation](https://dl.fbaipublicfiles.com/seamless/seamless_m4t_paper.pdf) by the Seamless Communication team from Meta AI.
-This is the version 1 release of the model. For the updated version 2 release, refer to the [Seamless M4T v2 docs](./seamless_m4t_v2.md).
+
+This is the **version 1** release of the model. For the updated **version 2** release, refer to the [Seamless M4T v2 docs](https://huggingface.co/docs/transformers/main/model_doc/seamless_m4t_v2).
 
 SeamlessM4T is a collection of models designed to provide high quality translation, allowing people from different linguistic communities to communicate effortlessly through speech and text.
 

docs/source/en/model_doc/seamless_m4t_v2.md

@@ -16,7 +16,7 @@ specific language governing permissions and limitations under the License.
 
 The SeamlessM4T-v2 model was proposed in [Seamless: Multilingual Expressive and Streaming Speech Translation](https://ai.meta.com/research/publications/seamless-multilingual-expressive-and-streaming-speech-translation/) by the Seamless Communication team from Meta AI.
 
-SeamlessM4T-v2 is a collection of models designed to provide high quality translation, allowing people from different linguistic communities to communicate effortlessly through speech and text. It is an improvement on the [previous version](./seamless_m4t.md). For more details on the differences between v1 and v2, refer to section [Difference with SeamlessM4T-v1](#difference-with-seamlessm4t-v1).
+SeamlessM4T-v2 is a collection of models designed to provide high quality translation, allowing people from different linguistic communities to communicate effortlessly through speech and text. It is an improvement on the [previous version](https://huggingface.co/docs/transformers/main/model_doc/seamless_m4t). For more details on the differences between v1 and v2, refer to section [Difference with SeamlessM4T-v1](#difference-with-seamlessm4t-v1).
 
 SeamlessM4T-v2 enables multiple tasks without relying on separate models: