Please capitalize where necessary: 11:32 those who do wickedly against the covenant, he shall pervert by flatteries; but the people who know their god shall be strong and do exploits.
A: 11:32 Those who do wickedly against the covenant, he shall pervert by flatteries; but the people who know their God shall be strong and do exploits.

Please capitalize where necessary: other researchers believe that biblical texts cannot be used as source material for historical purposes.
A: Other researchers believe that biblical texts cannot be used as source material for historical purposes.

Please capitalize where necessary: contact your mobile operator, check their website or look through your phone's documentation to learn how to do that.
A: Contact your mobile operator, check their website or look through your phone's documentation to learn how to do that.

Please capitalize where necessary: the canal is 21 kilometres long and was opened in 1872.
A:
The canal is 21 kilometres long and was opened in 1872.