diff --git a/lib/canvas.js b/lib/canvas.js
index 1d3b635..3f519f5 100644
--- a/lib/canvas.js
+++ b/lib/canvas.js
@@ -480,9 +480,10 @@ Context2d.prototype.__defineSetter__('font', function(val){
   if ('string' == typeof val) {
     var font;
     if (font = cache[val] || parseFont(val)) {
-      // TODO: dpi
       this.lastFontString = val;
 
+      // TODO: dpi
+      // TODO: remaining unit conversion
       switch (font.unit) {
         case 'pt':
           font.size /= .75;