Add a todo to make it clear that the section is not done
git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@13712 91177308-0d34-0410-b5e6-96231b3b80d8
diff --git a/docs/GarbageCollection.html b/docs/GarbageCollection.html
index fd5c900..39ddeb8 100644
--- a/docs/GarbageCollection.html
+++ b/docs/GarbageCollection.html
@@ -214,7 +214,7 @@
<div class="doc_text">
<p>
-Either from root meta data, or from object headers. Front-end can provide a
+TODO: Either from root meta data, or from object headers. Front-end can provide a
call-back to get descriptor from object without meta-data.
</p>