GH-3371: fix typo
GH-3371: fix typo

blakewallan/tinymce,TeamupCom/tinymce,danielpunkass/tinymce,adaptiffdesigns/tinymce,danielpunkass/tinymce,FernCreek/tinymce,MediehusetTek/tinymce,jtark/tinymce,leofeyer/tinymce,tinymce/tinymce,TeamupCom/tinymce,blakewallan/tinymce,jtark/tinymce,danielpunkass/tinymce,gencer/tinymce,tinymce/tinymce,tinymce/tinymce,leofeyer/tinymce,gencer/tinymce,MediehusetTek/tinymce,FernCreek/tinymce,adaptiffdesigns/tinymce,aduth/tinymce,aduth/tinymce,FernCreek/tinymce