Minor typo in cs50ap find docs?

Question

From the docs on find

If you do plan on using additional functions in helpers.c, be sure to include the function prototypes in helpers.c.

I think that last helpers.c, should be helpers.h?

Answer 1

That's not a typo. You might notice the footnote link at the end of that sentence that leads to this:

1. This isn’t necessarily the best practice; you’d typically have all your prototypes in helpers.h, but since check50 references our own helpers.h, for checking purposes, you’ll have to include the prototypes in helpers.c, which is passed in directly when running check50