MediaWiki:Apihelp-edit-param-md5
The MD5 hash of the $1text parameter, or the $1prependtext and $1appendtext parameters concatenated. If set, the edit won't be done unless the hash is correct.
The content of the Chew glossary can be distressing - there are many words documented here that are offensive. Please take care when using the glossary.
You will only see this message once.