Document link:  https://docs.redhat.com/en/documentation/red_hat_enterprise_linux/8/html/automatically_installing_rhel/preparing-for-a-network-install_rhel-installer#configuring-a-network-server-for-ibm-power_preparing-for-a-network-install

Section number and name:  7.5. Configuring a TFTP server for UEFI-based clients
Section 8 Create a subdirectory to store the boot image files 

Describe the issue:  cp a b  line is missing the space between a and b.

mkdir -p /var/lib/tftpboot/images/RHEL-8/
cp /path_to_x86_64_images/pxeboot/{vmlinuz,initrd.img}/var/lib/tftpboot/images/RHEL-8/

Please fix cp line by adding space:
cp /path_to_x86_64_images/pxeboot/{vmlinuz,initrd.img} /var/lib/tftpboot/images/RHEL-8/

Impact of this issue:  Confusion

Suggestions for improvement:  Please fix typo