diff --git a/schema.md b/schema.md
index 8e2f313..7f16d12 100644
--- a/schema.md
+++ b/schema.md
@@ -9,14 +9,19 @@ preferably using Cassandra: A distributed NoSQL database
 * `kind` (event type, e.g., review, article, comment)
 * `tags` (array of keywords or hashtags)
 * `content` (text content of the event)
+
+This duplicates the relay, so should only be relevant kinds (eg nominated Review kind)
+
 2. **User Reviews**:
 * `event_id` (foreign key referencing the Events table)
-* `product_id` (unique identifier for the product, eg `wine_id` or `sake_id`)
+* `product_id` (unique identifier for the product)
 * `rating` (numerical rating, e.g., 1-100)
 * `review_text` (text content of the review)
 * `tasting_notes` (array of tasting notes, e.g., flavors, aromas)
+
 3. **Wines**:
-* `wine_id` (unique identifier, type/style/characteristic, EAN/UPC, sku)
+* `product_id` (uuid)
+* `wine_id` ( type/style/characteristic, EAN/UPC, sku)
 * `type` (white, amber, rose, red)
 * `style` (bubbles+fizz, table, dessert, fortified, vermouth)
 * `characteristic` (light aromatic, textural, fruit forward, structural & savoury, powerful)
@@ -36,8 +41,10 @@ preferably using Cassandra: A distributed NoSQL database
 * `closure` (cork, crown-seal, screwcap)
 * `price` (NIP-89, NIP-99)
 * `image` (optional image URL)cellar.social
+
 4. **Sake**:
-* `sake_id` (unique identifier, designation, polish rate, starter, yeast, EAN/UPC, sku )
+* `product_id` (uuid)
+* `sake_id` (designation, polish rate, starter, yeast, EAN/UPC, sku )
 *` country
 * `region`
 * `name` (label)
@@ -51,8 +58,10 @@ preferably using Cassandra: A distributed NoSQL database
 * `vintage` (year, nv, mv)
 * `price` (NIP-89, NIP-99)
 * `image` (optional image URL)
+
 5. **Spirits**:
-* `spirit_id` (unique identifier EAN/UPC, sku)
+* `product_id` (uuid)
+* `spirit_id` (EAN/UPC, sku)
 *` country
 * `region`
 * `name` (label)
@@ -76,14 +85,16 @@ preferably using Cassandra: A distributed NoSQL database
 * `roast`
 * `price` (g/kg/ton, NIP-89, NIP-99))
 * `image` (optional image URL)cellar.social
+
 7. **Articles**:
-* `id` (foreign key referencing the Events table)
+* `event_id` (foreign key referencing the Events table)
 * `title`
 * `content` (text content of the article)
 * `author` (public key of the author)
 * `tags` (array of keywords or hashtags)
+
 8. **Comments**:
-* `id` (foreign key referencing the Events table)
+* `event_id` (foreign key referencing the Events table)
 * `parent_event_id` (foreign key referencing the Events table)
 * `content` (text content of the comment)