[Docs] Correct and clarify notes in Engine docstring (#9313)

Signed-off-by: JiangJiaWei1103 <waynechuang97@gmail.com>

python/sglang/srt/entrypoints/engine.py

@@ -94,8 +94,8 @@ class Engine(EngineBase):
         3. DetokenizerManager (subprocess): Detokenizes the output tokens and sends the result back to the Tokenizer Manager.
 
     Note:
-    1. The HTTP server, Engine, and TokenizerManager both run in the main process.
-    2. Inter-process communication is done through ICP (each process uses a different port) via the ZMQ library.
+    1. The HTTP server, Engine, and TokenizerManager all run in the main process.
+    2. Inter-process communication (IPC) is handled via the ZMQ library, with each process using a different port.
     """
 
     def __init__(self, **kwargs):