diff --git a/src/smolagents/agents.py b/src/smolagents/agents.py
index 1cdfb85..a1a91ae 100644
--- a/src/smolagents/agents.py
+++ b/src/smolagents/agents.py
@@ -388,7 +388,7 @@ class MultiStepAgent:
             if tool_name in self.tools:
                 tool = self.tools[tool_name]
                 error_msg = (
-                    f"Error whene executing tool {tool_name} with arguments {arguments}: {type(e).__name__}: {e}\nYou should only use this tool with a correct input.\n"
+                    f"Error when executing tool {tool_name} with arguments {arguments}: {type(e).__name__}: {e}\nYou should only use this tool with a correct input.\n"
                     f"As a reminder, this tool's description is the following: '{tool.description}'.\nIt takes inputs: {tool.inputs} and returns output type {tool.output_type}"
                 )
                 raise AgentExecutionError(error_msg, self.logger)