diff --git a/clang-tools-extra/clang-doc/Representation.h b/clang-tools-extra/clang-doc/Representation.h
index b0b34fc6f08dd..ea44c65be53ca 100644
--- a/clang-tools-extra/clang-doc/Representation.h
+++ b/clang-tools-extra/clang-doc/Representation.h
@@ -60,6 +60,7 @@ struct CommentInfo {
   // the vector.
   bool operator<(const CommentInfo &Other) const;
 
+  // TODO: The Kind field should be an enum, so we can switch on it easily.
   SmallString<16>
       Kind; // Kind of comment (FullComment, ParagraphComment, TextComment,
             // InlineCommandComment, HTMLStartTagComment, HTMLEndTagComment,