diff --git a/salesgpt/prompts.py b/salesgpt/prompts.py
index cf2ab764..0036a104 100644
--- a/salesgpt/prompts.py
+++ b/salesgpt/prompts.py
@@ -31,7 +31,7 @@
 
 ```
 Thought: Do I need to use a tool? Yes
-Action: the action to take, should be one of {tools}
+Action: the action to take, should be one of [{tool_names}]
 Action Input: the input to the action, always a simple string input
 Observation: the result of the action
 ```