Fix mistake / outdated doc comment (#10521)
Fix mistake / outdated doc comment (#10521)

Unlike original reference code, Redis uses 64bit variable, so half the bits make it 32bit, not 16
neomantra/redis,neomantra/redis,oranagra/redis,neomantra/redis,yossigo/redis,neomantra/redis,PKRoma/redis,ofirluzon/redis,soloestoy/redis,PKRoma/redis,yossigo/redis,charsyam/redis,PKRoma/redis,soloestoy/redis,yossigo/redis,soloestoy/redis,charsyam/redis,oranagra/redis,ofirluzon/redis,PKRoma/redis,charsyam/redis,yossigo/redis,oranagra/redis,PKRoma/redis,ofirluzon/redis,soloestoy/redis,ofirluzon/redis,neomantra/redis,yossigo/redis,charsyam/redis,soloestoy/redis,oranagra/redis,ofirluzon/redis,oranagra/redis,charsyam/redis