diff --git a/main.py b/main.py
index 40e8ae1..ba9ac78 100644
--- a/main.py
+++ b/main.py
@@ -122,6 +122,10 @@ async def fastapi_take_snapeshot(network: str, snapshot: str)-> int:
 @app.post("/picksnapshot/")
 async def fastapi_pick_snapeshot(network: str, snapshot: str)-> ChangeSet:
     return pick_snapshot(network, snapshot)
+
+@app.post("/pickoperation/")
+async def fastapi_pick_operation(network: str, operation: int) -> ChangeSet:
+    return pick_operation(network, operation)
     
 # node
 @app.get("/getnodes/")
diff --git a/tjnetwork.py b/tjnetwork.py
index 9f88c8e..3a269e9 100644
--- a/tjnetwork.py
+++ b/tjnetwork.py
@@ -410,7 +410,7 @@ def set_emitter(name: str, cs: ChangeSet) -> ChangeSet:
 
 
 ############################################################
-# time 21.[EMITTERS]
+# time 21.[TIME]
 ############################################################
 
 def get_time_schema(name: str) -> dict[str, dict[str, Any]]: