Docs: Fix comment

Fixes #416.

Author: GaryJones

WordPressVIPMinimum/ruleset.xml

@@ -135,7 +135,7 @@
 		<exclude name="WordPress.WP.AlternativeFunctions.strip_tags_strip_tags"/>
 		<!-- This is already covered in WordPressVIPMinimum.Functions.RestrictedFunctions.file_ops_fwrite -->
 		<exclude name="WordPress.WP.AlternativeFunctions.file_system_read_fwrite"/>
-		<!-- This is already covered in WordPressVIPMinimum.Functions.RestrictedFunctions.file_ops_fwrite -->
+		<!-- This is already covered in WordPressVIPMinimum.Functions.RestrictedFunctions.file_ops_file_put_contents -->
 		<exclude name="WordPress.WP.AlternativeFunctions.file_system_read_file_put_contents"/>
 	</rule>
 	<!-- VIP recommends other functions -->