Fix a few typos
Fix a few typos

Fix some typos and add an example for instance injection.

ADmad/cakephp,mvdriel/cakephp,petteyg/cakephp,gmponos/cakephp,eryw/cakephp,timhoeppner/cakephp,CakeDC/cakephp,CakeDC/cakephp,yinhe007/cakephp,CakeDC/cakephp,timhoeppner/cakephp,michaelze/cakephp,Balachan27/cakephp,petteyg/cakephp,justinyost/cakephp,HavokInspiration/cakephp,cakephp-fr/cakephp,ADmad/cakephp,bravo-kernel/cakephp,HavokInspiration/cakephp,timhoeppner/cakephp,erikfig/cakephp,ionas/cakephp,dkarvounaris/cakephp,erikfig/cakephp,Phillaf/cakephp,khoimt/cakephp-study,jerems02/cakephp,justinyost/cakephp,burriko/cakephp,ionas/cakephp,dakota/cakephp,berrygoudswaard/cakephp,tgr0ss/cakephp,nrother/cakephp,dakota/cakephp,eryw/cakephp,michaelze/cakephp,jerems02/cakephp,garethellis36/cakephp,berrygoudswaard/cakephp,web-player/cakephp,cakephp-fr/cakephp,jeffblack360/cakephp,dkarvounaris/cakephp,erikfig/cakephp,akintoey/cakephp,garethellis36/cakephp,thinkingmedia/cakephp,jjj117/cakephp,nrother/cakephp,cakephp/cakephp,bravo-kernel/cakephp,khoimt/cakephp-study,tenkoma/cakephp,tisu2tisu/cakephp,burriko/cakephp,CVO-Technologies/cakephp,pbaire/cakephp,mvdriel/cakephp,gmponos/cakephp,CVO-Technologies/cakephp,eboominathan/cakephp,ADmad/cakephp,garethellis36/cakephp,cakephp/cakephp,burriko/cakephp,justinyost/cakephp,tenkoma/cakephp,kumamidori/cakephp,Balachan27/cakephp,dakota/cakephp,HavokInspiration/cakephp,berrygoudswaard/cakephp,tenkoma/cakephp,eboominathan/cakephp,jerems02/cakephp,ionas/cakephp,elboletaire/cakephp,cakephp/cakephp,ADmad/cakephp,adopico/cakephp,web-player/cakephp,cakephp/cakephp,davidyell/cakephp,yinhe007/cakephp,michaelze/cakephp,ndm2/cakephp,kumamidori/cakephp,Balachan27/cakephp,adopico/cakephp,mvdriel/cakephp,Phillaf/cakephp,khoimt/cakephp-study,davidyell/cakephp,ndm2/cakephp,nrother/cakephp,adopico/cakephp,Phillaf/cakephp,garethellis36/cakephp,pbaire/cakephp,CVO-Technologies/cakephp,web-player/cakephp,bravo-kernel/cakephp,thinkingmedia/cakephp,akintoey/cakephp,jeffblack360/cakephp,akintoey/cakephp,elboletaire/cakephp,ndm2/cakephp,pbaire/cakephp,petteyg/cakephp,elboletaire/cakephp,tgr0ss/cakephp,yinhe007/cakephp,eryw/cakephp,tisu2tisu/cakephp,dkarvounaris/cakephp,davidyell/cakephp,CakeDC/cakephp,thinkingmedia/cakephp,jjj117/cakephp,gmponos/cakephp,jjj117/cakephp,dakota/cakephp,tenkoma/cakephp,cakephp-fr/cakephp,eboominathan/cakephp,ndm2/cakephp,mvdriel/cakephp,jeffblack360/cakephp,tisu2tisu/cakephp,tgr0ss/cakephp,kumamidori/cakephp,petteyg/cakephp