fixed the Cohere example title (#3053)

- fixed the Cohere example title (bug in #3041, sorry for it)
- fixed the runhouse.ipynb file name inconsistency

docs/ecosystem/runhouse.md

@@ -15,7 +15,7 @@ custom LLMs, you can use the `SelfHostedPipeline` parent class.
 from langchain.llms import SelfHostedPipeline, SelfHostedHuggingFaceLLM
 ```
 
-For a more detailed walkthrough of the Self-hosted LLMs, see [this notebook](../modules/models/llms/integrations/self_hosted_examples.ipynb)
+For a more detailed walkthrough of the Self-hosted LLMs, see [this notebook](../modules/models/llms/integrations/runhouse.ipynb)
 
 ## Self-hosted Embeddings
 There are several ways to use self-hosted embeddings with LangChain via Runhouse.

docs/modules/models/llms/integrations/cohere.ipynb

@@ -5,11 +5,11 @@
    "id": "9597802c",
    "metadata": {},
    "source": [
-    "# Install the package\n",
+    "# Cohere\n",
     "\n",
     "[Cohere](https://cohere.ai/about) is a Canadian startup that provides natural language processing models that help companies improve human-machine interactions.\n",
     "\n",
-    "This example goes over how to use LangChain to interact with Cohere models"
+    "This example goes over how to use LangChain to interact with `Cohere` [models](https://docs.cohere.ai/docs/generation-card)."
    ]
   },
   {