Polish documentation for the sets modules #4628

Job	Run time
Event File	2s
Build Erlang/OTP (64-bit)	8m 24s
Create SBOM	0s
Build Erlang/OTP (macOS)	3m 55s
Build Erlang/OTP (Types and Flavors)	10m 41s
Build Erlang/OTP (32-bit)	4m 58s
Build Erlang/OTP (cross-compile)	10m 43s
Build Erlang/OTP (iOS)	3m 50s
Build and check documentation	5m 9s
Build Erlang/OTP (clang)	5m 58s
Build Erlang/OTP (Windows)	18m 26s
Run static analysis	6m 15s
Build Erlang/OTP (FreeBSD)	3m 33s
Test Erlang/OTP (stdlib)	1h 8m 5s
Release Erlang/OTP	0s
Test Erlang/OTP (system)	7m 42s
	2h 37m 41s

Provide feedback