diff --git a/python/sglang/srt/managers/disagg_service.py b/python/sglang/srt/managers/disagg_service.py
index 7dd0216d0..57dfcd32e 100644
--- a/python/sglang/srt/managers/disagg_service.py
+++ b/python/sglang/srt/managers/disagg_service.py
@@ -16,7 +16,7 @@ from sglang.srt.server_args import ServerArgs
 def start_disagg_service(
     server_args: ServerArgs,
 ):
-    # Start kv boostrap server on prefill
+    # Start kv bootstrap server on prefill
     disagg_mode = DisaggregationMode(server_args.disaggregation_mode)
     transfer_backend = TransferBackend(server_args.disaggregation_transfer_backend)
 
diff --git a/python/sglang/srt/managers/schedule_policy.py b/python/sglang/srt/managers/schedule_policy.py
index f4e2746bf..65ffc7198 100644
--- a/python/sglang/srt/managers/schedule_policy.py
+++ b/python/sglang/srt/managers/schedule_policy.py
@@ -354,9 +354,9 @@ class SchedulePolicy:
         last_node_to_reqs: Dict[TreeNode, List[Req]],
         q: List,
     ) -> None:
-        childs = [child for child in cur_node.children.values()]
-        childs.sort(key=lambda x: -node_to_priority[x])
-        for child in childs:
+        children = [child for child in cur_node.children.values()]
+        children.sort(key=lambda x: -node_to_priority[x])
+        for child in children:
             SchedulePolicy._get_dfs_priority(
                 child, node_to_priority, last_node_to_reqs, q
             )
diff --git a/python/sglang/srt/managers/scheduler.py b/python/sglang/srt/managers/scheduler.py
index 99f14e3ef..6ed1decd0 100644
--- a/python/sglang/srt/managers/scheduler.py
+++ b/python/sglang/srt/managers/scheduler.py
@@ -1481,7 +1481,7 @@ class Scheduler(
                 if recv_req.bootstrap_room is None:
                     error_msg = (
                         f"Invalid request: Disaggregated request received without "
-                        f"boostrap room id. {req.rid=}"
+                        f"bootstrap room id. {req.rid=}"
                     )
                     logger.error(error_msg)
                     prepare_abort(req, error_msg, status_code=HTTPStatus.BAD_REQUEST)
diff --git a/python/sglang/srt/managers/session_controller.py b/python/sglang/srt/managers/session_controller.py
index 1148f9f82..64ea7232e 100644
--- a/python/sglang/srt/managers/session_controller.py
+++ b/python/sglang/srt/managers/session_controller.py
@@ -23,21 +23,21 @@ class SessionReqNode:
         self,
         req: Req,
         parent: Optional["SessionReqNode"] = None,
-        childs=None,
+        children=None,
     ):
         self.req = req
         self.parent = parent
         if parent is not None:
-            parent.childs.append(self)
-        self.childs = [] if not childs else childs
+            parent.children.append(self)
+        self.children = [] if not children else children
 
-    def clear_childs(self, req_dict):
-        for req_node in self.childs:
+    def clear_children(self, req_dict):
+        for req_node in self.children:
             req_node.clear(req_dict)
-        self.childs = []
+        self.children = []
 
     def clear(self, req_dict):
-        for req_node in self.childs:
+        for req_node in self.children:
             req_node.clear(req_dict)
 
         if self.req.finished_reason is None:
@@ -52,13 +52,13 @@ class SessionReqNode:
         return self._str_helper(self.req.rid)
 
     def _str_helper(self, prefix=""):
-        if len(self.childs) == 0:
+        if len(self.children) == 0:
             return prefix + "\n"
         else:
             origin_prefix = prefix
-            prefix += " -- " + self.childs[0].req.rid
-            ret = self.childs[0]._str_helper(prefix)
-            for child in self.childs[1:]:
+            prefix += " -- " + self.children[0].req.rid
+            ret = self.children[0]._str_helper(prefix)
+            for child in self.children[1:]:
                 prefix = " " * len(origin_prefix) + " \\- " + child.req.rid
                 ret += child._str_helper(prefix)
             return ret
@@ -88,7 +88,7 @@ class Session:
                     last_req_node = self.req_nodes[session_params.rid]
                     last_req_node.abort()
                     last_req = last_req_node.req
-                    last_req_node.clear_childs(self.req_nodes)
+                    last_req_node.clear_children(self.req_nodes)
         else:
             if session_params.rid is not None:
                 if session_params.rid not in self.req_nodes: