diff --git a/marko/page/data/components/change/component.js b/marko/page/data/components/change/component.js
index c88926a..c2afe61 100644
--- a/marko/page/data/components/change/component.js
+++ b/marko/page/data/components/change/component.js
@@ -65,7 +65,7 @@ module.exports = class {
         
         this.state.operation += " chapter"
         this.state.links = [{
-          text: chapter.title,
+          text: chapter.title || `Untitled chapter (${chapterKey.id})`,
           href: `/story/${storyKey.id}#${chapterKey.id}`,
         }]
 
@@ -112,4 +112,7 @@ const opText = {
   move: "moved",
   edit: "edited",
   import: "imported",
+  tag: "tagged",
+  "move-in": "moved in",
+  "move-out": "moved-out",
 }
\ No newline at end of file