Fixes #17138
Reported-by: Thomas Klausner
Closes #17154
size_t function(char *bufptr, size_t size, size_t nitems, void *userp);
~~~
Where *bufptr* is the pointer to a buffer we fill in with data to upload
-and *size*nitems* is the size of the buffer and therefore also the maximum
+and *nitems* is the size of the buffer and therefore also the maximum
amount of data we can return to libcurl in this call. The *userp* pointer
is the custom pointer we set to point to a struct of ours to pass private data
between the application and the callback.