[Bugfix][Doc] Fix Doc Formatting (vllm-project#6048)

Signed-off-by: Alvant <alvasian@yandex.ru>

Author: ywang96

docs/source/serving/faq.rst

@@ -1,5 +1,5 @@
 Frequently Asked Questions
-========================
+===========================
 
     Q: How can I serve multiple models on a single port using the OpenAI API?
 
@@ -9,4 +9,4 @@ A: Assuming that you're referring to using OpenAI compatible server to serve mul
 
     Q: Which model to use for offline inference embedding?
 
-A: If you want to use an embedding model, try: https://huggingface.co/intfloat/e5-mistral-7b-instruct. Instead models, such as Llama-3-8b, Mistral-7B-Instruct-v0.3, are generation models rather than an embedding model
+A: If you want to use an embedding model, try: https://huggingface.co/intfloat/e5-mistral-7b-instruct. Instead models, such as Llama-3-8b, Mistral-7B-Instruct-v0.3, are generation models rather than an embedding model