Update README.md

README.md

@@ -135,7 +135,7 @@ Prompt format is based on ChatML.
 ### Free API Service (hosted by Siam.Ai and Float16.cloud)
 
 #### Siam.AI
-```
+```bash
 curl https://api.aieat.or.th/v1/completions \
   -H "Content-Type: application/json" \
   -H "Authorization: Bearer dummy" \
@@ -151,7 +151,7 @@ curl https://api.aieat.or.th/v1/completions \
 ```
 
 #### Float16
-```
+```bash
 curl -X POST https://api.float16.cloud/dedicate/78y8fJLuzE/v1/chat/completions \
   -H "Content-Type: application/json" \
   -H "Authorization: Bearer float16-AG0F8yNce5s1DiXm1ujcNrTaZquEdaikLwhZBRhyZQNeS7Dv0X" \
@@ -171,7 +171,7 @@ curl -X POST https://api.float16.cloud/dedicate/78y8fJLuzE/v1/chat/completions \
 ```
 
 ### OpenAI Client Library (Hosted by VLLM, please see below.)
-```
+```python
 import openai
 
 # Configure OpenAI client to use vLLM server