Fix OpenAI LLM docstring (#2910)

langchain/llms/openai.py

@@ -114,20 +114,7 @@ async def acompletion_with_retry(
 
 
 class BaseOpenAI(BaseLLM):
-    """Wrapper around OpenAI large language models.
-
-    To use, you should have the ``openai`` python package installed, and the
-    environment variable ``OPENAI_API_KEY`` set with your API key.
-
-    Any parameters that are valid to be passed to the openai.create call can be passed
-    in, even if not explicitly saved on this class.
-
-    Example:
-        .. code-block:: python
-
-            from langchain.llms import OpenAI
-            openai = OpenAI(model_name="text-davinci-003")
-    """
+    """Wrapper around OpenAI large language models."""
 
     client: Any  #: :meta private:
     model_name: str = "text-davinci-003"
@@ -541,7 +528,20 @@ class BaseOpenAI(BaseLLM):
 
 
 class OpenAI(BaseOpenAI):
-    """Generic OpenAI class that uses model name."""
+    """Wrapper around OpenAI large language models.
+
+    To use, you should have the ``openai`` python package installed, and the
+    environment variable ``OPENAI_API_KEY`` set with your API key.
+
+    Any parameters that are valid to be passed to the openai.create call can be passed
+    in, even if not explicitly saved on this class.
+
+    Example:
+        .. code-block:: python
+
+            from langchain.llms import OpenAI
+            openai = OpenAI(model_name="text-davinci-003")
+    """
 
     @property
     def _invocation_params(self) -> Dict[str, Any]:
@@ -549,7 +549,20 @@ class OpenAI(BaseOpenAI):
 
 
 class AzureOpenAI(BaseOpenAI):
-    """Azure specific OpenAI class that uses deployment name."""
+    """Wrapper around Azure-specific OpenAI large language models.
+
+    To use, you should have the ``openai`` python package installed, and the
+    environment variable ``OPENAI_API_KEY`` set with your API key.
+
+    Any parameters that are valid to be passed to the openai.create call can be passed
+    in, even if not explicitly saved on this class.
+
+    Example:
+        .. code-block:: python
+
+            from langchain.llms import AzureOpenAI
+            openai = AzureOpenAI(model_name="text-davinci-003")
+    """
 
     deployment_name: str = ""
     """Deployment name to use."""