diff --git a/common/content/events.js b/common/content/events.js
index f2ab0853..4dd6319f 100644
--- a/common/content/events.js
+++ b/common/content/events.js
@@ -439,10 +439,6 @@ function Events() //{{{
     window.addEventListener("DOMMenuBarInactive", exitMenuMode, true);
     window.addEventListener("resize", onResize, true);
 
-    // window.document.addEventListener("DOMTitleChanged", function (event) {
-    //     liberator.log("titlechanged");
-    // }, null);
-
     // NOTE: the order of ["Esc", "Escape"] or ["Escape", "Esc"]
     //       matters, so use that string as the first item, that you
     //       want to refer to within liberator's source code for
diff --git a/common/content/io.js b/common/content/io.js
index 19dd89c4..57f880bc 100644
--- a/common/content/io.js
+++ b/common/content/io.js
@@ -743,7 +743,7 @@ function IO() //{{{
             }
             else
                 return []; // XXX: or should it throw an error, probably yes?
-                           //  Yes --djk
+                           //  Yes, though frankly this should be a precondition so... --djk
         },
 
         /**
diff --git a/common/content/modes.js b/common/content/modes.js
index 51caaf65..d8a65055 100644
--- a/common/content/modes.js
+++ b/common/content/modes.js
@@ -216,6 +216,7 @@ const modes = (function () //{{{
         },
 
         // TODO: Deprecate this in favor of addMode? --Kris
+        //       Ya --djk
         setCustomMode: function (modestr, oneventfunc, stopfunc)
         {
             // TODO this.plugin[id]... ('id' maybe submode or what..)