diff --git a/TODO b/TODO
index f8a7483..bb0012d 100644
--- a/TODO
+++ b/TODO
@@ -1,3 +1,4 @@
+clean css class names
 print css for draw/link/image...
 
 == Future: ==
diff --git a/src/util/CSSClassNames.h b/src/util/CSSClassNames.h
index 8de4394..5b2c0e2 100644
--- a/src/util/CSSClassNames.h
+++ b/src/util/CSSClassNames.h
@@ -21,9 +21,9 @@ namespace CSS {
 // sometimes we need a special one, e.g. transparent color, where the id is -1
 const char * const INVALID_ID          = "_";
 // work around strings
-// TODOsince we have this string, should this file be named as general "css.h" ?
+// TODO: since we have this string, should this file be named as general "css.h" ?
 const char * const WEBKIT_ONLY         = "@media screen and (-webkit-min-device-pixel-ratio:0)";
-const char * const PRINT_ONLY           = "@media print";
+const char * const PRINT_ONLY          = "@media print";
 
 
 // TODO: better names, remove collission (i.e LINE_CN vs LETTER_SPACE_CN)