diff --git a/pd/nw/todo.txt b/pd/nw/todo.txt
index d8908cc4fc5958fb9da9cce08aed5ea61898286c..80e852115e17c421482944eb9d4324b2bebd1d87 100644
--- a/pd/nw/todo.txt
+++ b/pd/nw/todo.txt
@@ -288,6 +288,7 @@ Everything else: (A [x] means we've fixed it)
     any difference...)
 [x] create a function in pdgui to change ["name", value] arrays to Javascript
     objects.  This will greatly simplify things like dialog_iemgui.html
+[ ] Figure out what pdtk_ping does
 
 Crashers
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