Install documentation requirements are not in sync / confusing. about docs HOT 1 CLOSED

[9.0MiB/0.00s] Loading composer repositories with package information
[23.1MiB/1.68s] Updating dependencies
[32.7MiB/1.76s] Your requirements could not be resolved to an installable set of packages.
[32.7MiB/1.77s] 
  Problem 1
    - illuminate/support[v5.6.0, ..., v5.6.39] require php ^7.1.3 -> your php version (8.0.2) does not satisfy that requirement.
    - Root composer.json requires illuminate/support 5.6.* -> satisfiable by illuminate/support[v5.6.0, ..., v5.6.39].

[20.2MiB/1.77s] Memory usage: 20.15MiB (peak: 32.76MiB), time: 1.77s