Update agent.py

agent.py

@@ -49,7 +49,7 @@ action: the action to take (should be one of [UPDATE-TASK, SEARCH, COMPLETE]) ac
 observation: the result of the action
 thought: you can find more information on the internet, try using a search engine
 
-... (thought/action/observation/thought can repeat N times)
+... (thought/action/observation/thought can repeat 0 times)
 
 You are attempting to complete the task
 task: {task}