In the description of the Model's functions, it should be 'for_update', but 'for_updated' is specified, which is misleading.

find
https://github.com/phalcon/cphalcon/blob/master/phalcon/Mvc/Model.zep#L1639

findFirst
https://github.com/phalcon/cphalcon/blob/master/phalcon/Mvc/Model.zep#L1757

belongsTo
https://github.com/phalcon/cphalcon/blob/master/phalcon/Mvc/Model.zep#L5438

hasMany
https://github.com/phalcon/cphalcon/blob/master/phalcon/Mvc/Model.zep#L5550

hasManyToMany
https://github.com/phalcon/cphalcon/blob/master/phalcon/Mvc/Model.zep#L5616

hasOne
https://github.com/phalcon/cphalcon/blob/master/phalcon/Mvc/Model.zep#L5682