fix: Fix a typo

Signed-off-by: Ce Gao <cegao@tensorchord.ai>

Author: gaocegege

src/vllm_router/router.py

@@ -256,7 +256,8 @@ def parse_args():
         "--static-models",
         type=str,
         default=None,
-        help="The models of static backends, separated by comma.E.g., model1,model2",
+        help="The models of static backends, separated by comma."
+        "E.g., model1,model2",
     )
     parser.add_argument(
         "--k8s-port",