diff --git a/src/smarttools/ui_urwid.py b/src/smarttools/ui_urwid.py
index bb6fc08..0408fd9 100644
--- a/src/smarttools/ui_urwid.py
+++ b/src/smarttools/ui_urwid.py
@@ -1831,7 +1831,10 @@ class SmartToolsUI:
         # Default prompt template for AI code generation/adjustment
         default_ai_prompt = f"""Write inline Python code (NOT a function definition) according to my instruction.
 
-The code runs directly - variables are already available, no function needed.
+The code runs directly with variable substitution. To use an available variable:
+- Wrap the variable name in curly braces: {{variable}}
+- Use triple quotes since the substituted content may contain quotes/newlines
+- Example: my_var = \"\"\"{{response}}\"\"\"
 
 INSTRUCTION: [Describe what you want]