Update README.md

README.md

@@ -59,7 +59,7 @@ class ExecuteCodeAtomicFlow(InterpreterAtomicFlow)
 ```
 
 This class inherits from InterpreterAtomicFlow and is used to execute code in a file.
-It opens up the file in VSCode and waits for the user to save the file. Once the file is saved, it reads the code
+It opens up the file in VSCode and waits for the user to save and close the file. Once the file is saved and closed, it reads the code
 from the file and executes it. It then returns the output of the execution.
 
 *Input Interface*: