diff --git a/portfolio/googledocs/upgrade.txt b/portfolio/googledocs/upgrade.txt
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+This files describes API changes in /portfolio/googledocs system,
+information provided here is intended especially for developers.
+
+=== 3.9 ===
+
+* The Google Drive portfolio exports are now bundled in a single parent folder. The paths for the exported files will
+  now be created in Drive so that exported files are in the correct directory structure.