diff --git a/scripts/schema/cleaner.py b/scripts/schema/cleaner.py
index f6c68f4337..46a9a89977 100644
--- a/scripts/schema/cleaner.py
+++ b/scripts/schema/cleaner.py
@@ -281,7 +281,7 @@ def check_example_value(field: Union[List, FieldEntry], strict: Optional[bool] =
 
     if isinstance(example_value, (list, dict)):
         field_name: str = field['field_details']['name']
-        msg: str = f"Example value for field `{field_name}` contains an object or array which must be quoted to avoid YAML interpretation."
+        msg: str = f"Example value for field `{{field_name}}` contains an object or array which must be quoted to avoid YAML interpretation."
         strict_warning_handler(msg, strict)
 
     # Examples with arrays must be handled
@@ -301,7 +301,7 @@ def check_example_value(field: Union[List, FieldEntry], strict: Optional[bool] =
     if expected_values:
         for example_value in example_values:
             if example_value not in expected_values:
-                msg = f"Example value `{example_value}` for field `{name}` is not one of the values defined in `expected_value`: {expected_values}."
+                msg = f"Example value `{example_value}` for field `{{name}}` is not one of the values defined in `expected_value`: {expected_values}."
                 strict_warning_handler(msg, strict)