docs: links (#14940)

docs/docs/integrations/platforms/anthropic.mdx

@@ -163,3 +163,11 @@ This outputs:
 ```
 
 We can see that we detect that the user is trying to use the special tokens, and so we don't do any formatting.
+
+## `ChatAnthropicMessages` (Beta)
+
+`ChatAnthropicMessages` uses the beta release of Anthropic's new Messages API.
+
+You can use it from the `langchain-anthropic` package, which you can install with `pip install langchain-anthropic`.
+
+For more information, see the [ChatAnthropicMessages docs](../chat/anthropic#chatanthropicmessages)

docs/docs/integrations/text_embedding/together.ipynb

@@ -42,7 +42,7 @@
     "\n",
     "Make sure to set the following environment variables:\n",
     "\n",
-    "- TODO: fill out relevant environment variables or secrets\n",
+    "- `TOGETHER_API_KEY`\n",
     "\n",
     "## Usage"
    ]