ECC correctable number per page

Hello,

I have a question about EMIF NAND ECC. Does 'block' as below mean 512 bytes? If one page is 2048 bytes, can EMIF correct four symbols in each 512 bytes and can correct up to 16 symbols in one page?

C6748 TRM (SPRUH79C): 18.2.5.6.6.2 4-Bit ECC
With eight 10-bit parity words, up to four symbols can be corrected per block read.

Regards,
Kazu