[Minor] Improve code style (#2422)

python/sglang/srt/server.py

@@ -196,7 +196,7 @@ async def stop_profile_async():
 @app.post("/update_weights_from_disk")
 @time_func_latency
 async def update_weights_from_disk(obj: UpdateWeightFromDiskReqInput, request: Request):
-    """Update the weights from disk inplace without re-launching the server."""
+    """Update the weights from disk in-place without re-launching the server."""
     success, message = await tokenizer_manager.update_weights_from_disk(obj, request)
     content = {"success": success, "message": message}
     if success: