TINY-688: fixed api typo
TINY-688: fixed api typo

blakewallan/tinymce,TeamupCom/tinymce,danielpunkass/tinymce,adaptiffdesigns/tinymce,FernCreek/tinymce,leofeyer/tinymce,tinymce/tinymce,gencer/tinymce,aduth/tinymce,leofeyer/tinymce,blakewallan/tinymce,danielpunkass/tinymce,FernCreek/tinymce,MediehusetTek/tinymce,jtark/tinymce,TeamupCom/tinymce,FernCreek/tinymce,tinymce/tinymce,MediehusetTek/tinymce,adaptiffdesigns/tinymce,danielpunkass/tinymce,jtark/tinymce,fillabs/TinySpecMCE,gencer/tinymce,tinymce/tinymce,aduth/tinymce,ETSI-CTI/TinySpecMCE,ETSI-CTI/TinySpecMCE,fillabs/TinySpecMCE