fix typo of args description in sglang.profiler (#12486)

Co-authored-by: AI-bot-easy <litchys0123@outlook.com>
Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

python/sglang/README.md

@@ -12,5 +12,6 @@
 - `check_env.py`: Check the environment variables and dependencies.
 - `global_config.py`: The global configs and constants.
 - `launch_server.py`: The entry point for launching a local server.
+- `profiler.py`: The profiling entry point to send profile requests.
 - `utils.py`: Common utilities.
 - `version.py`: Version info.

python/sglang/profiler.py

@@ -124,7 +124,7 @@ if __name__ == "__main__":
         action=argparse.BooleanOptionalAction,
         type=bool,
         default=False,
-        help="The number of forward steps to profile.",
+        help="Whether to profile prefill and decode separately",
     )
     parser.add_argument(
         "--cpu",