diff --git a/syntax/sass.vim b/syntax/sass.vim
index 4d43510..c4d96f0 100644
--- a/syntax/sass.vim
+++ b/syntax/sass.vim
@@ -59,8 +59,8 @@ syn region sassControlLine matchgroup=sassControl start="@\%(if\|else\%(\s\+if\)
 syn keyword sassFor from to through contained
 
 syn keyword sassTodo        FIXME NOTE TODO OPTIMIZE XXX contained
-syn region  sassComment     start="^\z(\s*\)//"  end="^\%(\z1 \)\@!" contains=sassTodo
-syn region  sassCssComment  start="^\z(\s*\)/\*" end="^\%(\z1 \)\@!" contains=sassTodo
+syn region  sassComment     start="^\z(\s*\)//"  end="^\%(\z1 \)\@!" contains=sassTodo,@Spell
+syn region  sassCssComment  start="^\z(\s*\)/\*" end="^\%(\z1 \)\@!" contains=sassTodo,@Spell
 
 hi def link sassCssComment              sassComment
 hi def link sassComment                 Comment