[formrecognizer] Fix documentation (Azure#24269)

* fix missing brackets in docs

* remove extra brackets

Author: catalinaperalta

sdk/formrecognizer/azure-ai-formrecognizer/azure/ai/formrecognizer/_form_recognizer_client.py

@@ -767,7 +767,7 @@ def begin_recognize_custom_forms(self, model_id, form, **kwargs):
         :keyword str continuation_token: A continuation token to restart a poller from a saved state.
         :return: An instance of an LROPoller. Call `result()` on the poller
             object to return a list[:class:`~azure.ai.formrecognizer.RecognizedForm`].
-        :rtype: ~azure.core.polling.LROPoller[list[~azure.ai.formrecognizer.RecognizedForm]
+        :rtype: ~azure.core.polling.LROPoller[list[~azure.ai.formrecognizer.RecognizedForm]]
         :raises ~azure.core.exceptions.HttpResponseError:
 
         .. admonition:: Example:
@@ -851,7 +851,7 @@ def begin_recognize_custom_forms_from_url(self, model_id, form_url, **kwargs):
         :keyword str continuation_token: A continuation token to restart a poller from a saved state.
         :return: An instance of an LROPoller. Call `result()` on the poller
             object to return a list[:class:`~azure.ai.formrecognizer.RecognizedForm`].
-        :rtype: ~azure.core.polling.LROPoller[list[~azure.ai.formrecognizer.RecognizedForm]
+        :rtype: ~azure.core.polling.LROPoller[list[~azure.ai.formrecognizer.RecognizedForm]]
         :raises ~azure.core.exceptions.HttpResponseError:
         """
 

sdk/formrecognizer/azure-ai-formrecognizer/azure/ai/formrecognizer/aio/_form_recognizer_client_async.py

@@ -786,7 +786,7 @@ async def begin_recognize_custom_forms(
         :keyword str continuation_token: A continuation token to restart a poller from a saved state.
         :return: An instance of an AsyncLROPoller. Call `result()` on the poller
             object to return a list[:class:`~azure.ai.formrecognizer.RecognizedForm`].
-        :rtype: ~azure.core.polling.AsyncLROPoller[list[~azure.ai.formrecognizer.RecognizedForm]
+        :rtype: ~azure.core.polling.AsyncLROPoller[list[~azure.ai.formrecognizer.RecognizedForm]]
         :raises ~azure.core.exceptions.HttpResponseError:
 
         .. admonition:: Example:
@@ -871,7 +871,7 @@ async def begin_recognize_custom_forms_from_url(
         :keyword str continuation_token: A continuation token to restart a poller from a saved state.
         :return: An instance of an AsyncLROPoller. Call `result()` on the poller
             object to return a list[:class:`~azure.ai.formrecognizer.RecognizedForm`].
-        :rtype: ~azure.core.polling.AsyncLROPoller[list[~azure.ai.formrecognizer.RecognizedForm]
+        :rtype: ~azure.core.polling.AsyncLROPoller[list[~azure.ai.formrecognizer.RecognizedForm]]
         :raises ~azure.core.exceptions.HttpResponseError:
         """