diff --git a/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/_computer_vision_client.py b/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/_computer_vision_client.py
index e2d380c69638..854e54fa8995 100644
--- a/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/_computer_vision_client.py
+++ b/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/_computer_vision_client.py
@@ -38,7 +38,7 @@ def __init__(
         super(ComputerVisionClient, self).__init__(self.config.credentials, self.config)
 
         client_models = {k: v for k, v in models.__dict__.items() if isinstance(v, type)}
-        self.api_version = '3.0'
+        self.api_version = '3.1'
         self._serialize = Serializer(client_models)
         self._deserialize = Deserializer(client_models)
 
diff --git a/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/_configuration.py b/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/_configuration.py
index 7a5c5c553bc9..e0055f84b981 100644
--- a/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/_configuration.py
+++ b/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/_configuration.py
@@ -33,7 +33,7 @@ def __init__(
             raise ValueError("Parameter 'endpoint' must not be None.")
         if credentials is None:
             raise ValueError("Parameter 'credentials' must not be None.")
-        base_url = '{Endpoint}/vision/v3.0'
+        base_url = '{Endpoint}/vision/v3.1'
 
         super(ComputerVisionClientConfiguration, self).__init__(base_url)
 
diff --git a/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/operations/_computer_vision_client_operations.py b/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/operations/_computer_vision_client_operations.py
index a2417588988b..86ff3c0a28df 100644
--- a/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/operations/_computer_vision_client_operations.py
+++ b/sdk/cognitiveservices/azure-cognitiveservices-vision-computervision/azure/cognitiveservices/vision/computervision/operations/_computer_vision_client_operations.py
@@ -726,14 +726,14 @@ def read(
 
         :param url: Publicly reachable URL of an image.
         :type url: str
-        :param language: The BCP-47 language code of the text to be detected
-         in the image. In future versions, when language parameter is not
-         passed, language detection will be used to determine the language.
-         However, in the current version, missing language parameter will cause
-         English to be used. To ensure that your document is always parsed in
-         English without the use of language detection in the future, pass “en”
-         in the language parameter. Possible values include: 'en', 'es', 'fr',
-         'de', 'it', 'nl', 'pt'
+        :param language: The BCP-47 language code of the text in the document.
+         Currently, only English ('en'), Dutch (‘nl’), French (‘fr’), German
+         (‘de’), Italian (‘it’), Portuguese (‘pt), and Spanish ('es') are
+         supported. Read supports auto language identification and
+         multi-language documents, so only provide a language code if you would
+         like to force the documented to be processed as that specific
+         language. Possible values include: 'en', 'es', 'fr', 'de', 'it', 'nl',
+         'pt'
         :type language: str or
          ~azure.cognitiveservices.vision.computervision.models.OcrDetectionLanguage
         :param dict custom_headers: headers that will be added to the request
@@ -1513,14 +1513,14 @@ def read_in_stream(
 
         :param image: An image stream.
         :type image: Generator
-        :param language: The BCP-47 language code of the text to be detected
-         in the image. In future versions, when language parameter is not
-         passed, language detection will be used to determine the language.
-         However, in the current version, missing language parameter will cause
-         English to be used. To ensure that your document is always parsed in
-         English without the use of language detection in the future, pass “en”
-         in the language parameter. Possible values include: 'en', 'es', 'fr',
-         'de', 'it', 'nl', 'pt'
+        :param language: The BCP-47 language code of the text in the document.
+         Currently, only English ('en'), Dutch (‘nl’), French (‘fr’), German
+         (‘de’), Italian (‘it’), Portuguese (‘pt), and Spanish ('es') are
+         supported. Read supports auto language identification and
+         multi-language documents, so only provide a language code if you would
+         like to force the documented to be processed as that specific
+         language. Possible values include: 'en', 'es', 'fr', 'de', 'it', 'nl',
+         'pt'
         :type language: str or
          ~azure.cognitiveservices.vision.computervision.models.OcrDetectionLanguage
         :param dict custom_headers: headers that will be added to the request