Citation Hunt

The Wikipedia snippet below is not backed by a reliable source. Can you find one?

Click I got this! to go to Wikipedia and fix the snippet, or Next! to see another one. Good luck!

In page Quill:

"

It was much later, in the 1600s, with the increased popularity of writing, especially in the copperplate script promoted by the many printed manuals available from the 'Writing Masters', that quills became more pointed and flexible.[citation needed]