Fix typos.
Fix typos.

Fix typos and typography.
Note the simplification of the link to APC configuration's page.

jubianchi/atoum,CedCannes/atoum,Tiross/atoum,mikaelrandy/atoum,CedCannes/atoum,GuillaumeDievart/atoum,agallou/atoum,tejerka/atoum,agallou/atoum,gpaton/atoum,mageekguy/atoum,Tiross/atoum,tejerka/atoum,gpaton/atoum,GuillaumeDievart/atoum,mageekguy/atoum,vonglasow/atoum,jubianchi/atoum,vonglasow/atoum,mikaelrandy/atoum