Fix typo

autogen/agentchat/contrib/agent_optimizer.py

@@ -139,7 +139,7 @@
 
 According to the information I provide, please take one of four actions to manipulate list B using the functions you know.
 Instead of returning TERMINATE directly or taking no action, you should try your best to optimize the function list. Only take no action if you really think the current list is optimal, as more actions will harm performance in future tasks.
-Even adding a general function that can substitute the assistant’s repeated suggestions of Python code with the same functionality could also be helpful.
+Even adding a general function that can substitute the assistant's repeated suggestions of Python code with the same functionality could also be helpful.
 """
 
 
@@ -295,10 +295,10 @@ def step(self):
         )
 
         register_for_llm = []
-        register_for_exector = {}
+        register_for_executor = {}
         for name in remove_functions:
             register_for_llm.append({"func_sig": {"name": name}, "is_remove": True})
-            register_for_exector.update({name: None})
+            register_for_executor.update({name: None})
         for func in incumbent_functions:
             register_for_llm.append(
                 {
@@ -310,7 +310,7 @@ def step(self):
                     "is_remove": False,
                 }
             )
-            register_for_exector.update(
+            register_for_executor.update(
                 {
                     func.get("name"): lambda **args: execute_func(
                         func.get("name"), func.get("packages"), func.get("code"), **args
@@ -319,7 +319,7 @@ def step(self):
             )
 
         self._trial_functions = incumbent_functions
-        return register_for_llm, register_for_exector
+        return register_for_llm, register_for_executor
 
     def reset_optimizer(self):
         """