diff --git a/magic_spoiler/__main__.py b/magic_spoiler/__main__.py
index b5ac8b9b..76f4e022 100644
--- a/magic_spoiler/__main__.py
+++ b/magic_spoiler/__main__.py
@@ -208,10 +208,10 @@ def open_header(card_xml_file: IO[Any]) -> None:
     :param card_xml_file: Card file path
     """
     card_xml_file.write(
-        "<cockatrice_carddatabase version='4' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='https://raw.githubusercontent.com/Cockatrice/Cockatrice/master/doc/carddatabase_v4/cards.xsd'>\n"
-        + "  <!--\n"
-        + "  THIS FILE IS AUTOMATICALLY GENERATED & ALL EDITS WILL BE OVERRIDDEN.\n"
-        + "  -->\n"
+        "<!--\n"
+        + "THIS FILE IS AUTOMATICALLY GENERATED ON A REGULAR BASIS. ALL MANUAL EDITS WILL BE OVERRIDDEN.\n"
+        + "-->\n"
+        * "<cockatrice_carddatabase version='4' xmlns:xsi='http://www.w3.org/2001/XMLSchema-instance' xsi:schemaLocation='https://raw.githubusercontent.com/Cockatrice/Cockatrice/master/doc/carddatabase_v4/cards.xsd'>\n"
         + "<info>\n"
         + "  <author>Cockatrice/Magic-Spoiler</author>\n"
         + "  <createdAt>" + datetime.datetime.utcnow().strftime("%Y-%m-%d %H:%M:%S") + " (UTC)" + "</createdAt>\n"