Corrections and Takedown Requests
Mistakes happen. A correction sent today improves the material for everyone who uses it tomorrow, so please do send it.
What would you like to report?
A mistake in a lesson
A wrong rule, a wrong example, a spelling error, or an explanation that does not make sense. Please give the page address and quote the sentence.
A broken link or a technical fault
A link that leads nowhere, a page that will not open, an activity that does not work, or a layout problem on your device.
A copyright concern
Material you believe has been published without the right to do so. Please read the section below before writing, so the request can be acted on at once.
Copyright complaints
If you own the copyright in material published on this site, or you act for the owner, and you believe it has been published without permission, please send the following. With these details a request can be dealt with quickly; without them it may be delayed while the material is identified.
Material that is the subject of a genuine complaint is removed while the position is checked.
- The exact address of the page on this site where the material appears.
- A description of the material, precise enough to identify it on that page.
- The name of the work and the copyright owner.
- A statement of your relationship to the owner, if you are not the owner yourself.
- How you would like the matter resolved: removal, or a link and acknowledgement instead.
- Your name and a way of replying to you.
Send your report
How this form works
This website has no server, so nothing is sent from here. The form writes your message and opens it in your own email program, where you press send yourself.
Or send it on WhatsApp
For a quick correction, WhatsApp is often easiest. Please include the page address.
070 439 5240
WhatsApp opens with the message already written. Read it and press send yourself. Nothing is sent from this website.