fix typos in 'advanced stack editing' guide
fix typos in 'advanced stack editing' guide

gokmen/koding,andrewjcasal/koding,sinan/koding,gokmen/koding,kwagdy/koding-1,andrewjcasal/koding,usirin/koding,szkl/koding,mertaytore/koding,rjeczalik/koding,mertaytore/koding,koding/koding,andrewjcasal/koding,mertaytore/koding,acbodine/koding,kwagdy/koding-1,szkl/koding,rjeczalik/koding,cihangir/koding,rjeczalik/koding,kwagdy/koding-1,sinan/koding,gokmen/koding,usirin/koding,acbodine/koding,sinan/koding,szkl/koding,usirin/koding,koding/koding,cihangir/koding,usirin/koding,acbodine/koding,drewsetski/koding,usirin/koding,koding/koding,drewsetski/koding,mertaytore/koding,drewsetski/koding,cihangir/koding,drewsetski/koding,mertaytore/koding,cihangir/koding,sinan/koding,sinan/koding,szkl/koding,szkl/koding,andrewjcasal/koding,acbodine/koding,szkl/koding,acbodine/koding,usirin/koding,acbodine/koding,kwagdy/koding-1,koding/koding,rjeczalik/koding,koding/koding,usirin/koding,usirin/koding,kwagdy/koding-1,rjeczalik/koding,szkl/koding,sinan/koding,andrewjcasal/koding,cihangir/koding,cihangir/koding,drewsetski/koding,szkl/koding,andrewjcasal/koding,gokmen/koding,andrewjcasal/koding,acbodine/koding,koding/koding,cihangir/koding,mertaytore/koding,gokmen/koding,drewsetski/koding,drewsetski/koding,rjeczalik/koding,kwagdy/koding-1,koding/koding,andrewjcasal/koding,drewsetski/koding,gokmen/koding,gokmen/koding,sinan/koding,rjeczalik/koding,acbodine/koding,kwagdy/koding-1,rjeczalik/koding,sinan/koding,cihangir/koding,mertaytore/koding,gokmen/koding,mertaytore/koding,koding/koding,kwagdy/koding-1