diff --git a/README.md b/README.md
index 9c2ed2a..88dc78d 100644
--- a/README.md
+++ b/README.md
@@ -139,10 +139,10 @@ An example of a simple rule that checks the boolean value of the field named 'ec
 ```
 my_flight_section.add_rule(
     title="Economy Check",
-    rule=lambda report, fields: "Only economy class tickets are allowed." if fields['economy'] else None
+    rule=lambda report, fields: "Only economy class tickets are allowed." if not fields['economy'] else None
 ```
 
-For more complex, multi-line rules, a temporary function may be defined and passed to the "rule" parameter when adding a rule. Currently, accessing fields from other sections via the "report" parameter is not supported.
+For more complex, multi-line rules, a temporary function may be defined and passed to the "rule" parameter when adding a rule. See the included `policy.py` file content for examples of more complex rules. Currently, accessing fields from other sections via the "report" parameter is not supported.
 
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