MediaWiki:Abusefilter-warning-bad-character-in-header

Warning: One of the headers in your edit contains invalid characters. See WT:EL. Headers should not contain wikilinks or templates. Top-level headers should be language names, which contain Latin letters, ASCII spaces, or one of the characters '-, and sometimes end with English words in parentheses (). Other headers should be English words or phrases, the first letter capitalized, sometimes with numbers at the end. A brief description of the abuse rule which your action matched is: $1. If you believe your edit was flagged in error, you may report it on the Wiktionary:Grease pit.