diff --git a/Photos-version-5-database.md b/Photos-version-5-database.md
index 50c2001..98e0db9 100644
--- a/Photos-version-5-database.md
+++ b/Photos-version-5-database.md
@@ -58,10 +58,15 @@ In Photos 5, the import order is stored in a similar manner as the discussion ab
 Appears to contain additional information on every resource (e.g. original, edited, thumbnail) in the database.
 
 - `ZDATASTORESUBTYPE`: type of the resource
+  - 0: thumbnail
   - 1: original
   - 2: edited
   - 3: cloud resource
   - 17: raw
+- `ZUNIFORMTYPEIDENTIFIER`: UTI of the resource
+- `ZLOCALAVAILABILITY`: resource is available in local library
+- `ZREMOTEAVAILABILITY`: resource is available in cloud library
+- `ZASSET`: foreign key to `ZADDITIONALASSETATTRIBUTES.ZASSET`
 
 
 **TODO** Document the following