diff --git a/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/store/sqlite/README.md b/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/store/sqlite/README.md
index deee5cee3..3c3d5c610 100644
--- a/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/store/sqlite/README.md
+++ b/quartz/src/commonMain/kotlin/com/vitorpamplona/quartz/nip01Core/store/sqlite/README.md
@@ -14,11 +14,13 @@ consistency can be sacrificed, but a database that will never crash and never go
   - Forces unique constraint by kind, pubkey
   - Old versions are removed when newer versions arrive.
   - Old versions are blocked if newer versions exist.
+  - Same `created_at`: NIP-01 lexical-id tiebreaker (lowest id wins).
 
 - **Addressable Events**:
     - Forces unique constraint by kind, pubkey, d-tag
     - Old versions are removed when newer versions arrive.
     - Old versions are blocked if newer versions exist.
+    - Same `created_at`: NIP-01 lexical-id tiebreaker (lowest id wins).
 
 - **Ephemeral Events**
   - Ephemeral events never stored.
@@ -29,8 +31,9 @@ consistency can be sacrificed, but a database that will never crash and never go
 
 - **NIP-09 Deletion Events**
   - Deletes by event id
-  - Deletes by address until the `created_at`
+  - Deletes by address up to and including the deletion's `created_at` (newer versions are kept).
   - Blocks deleted events from being re-inserted.
+  - Only the original author's deletions take effect; cross-author kind-5s are stored but inert.
   - GiftWraps are deleted by p-tag
 
 - **NIP-62 Right to Vanish**
diff --git a/quartz/src/jvmMain/kotlin/com/vitorpamplona/quartz/nip01Core/store/fs/README.md b/quartz/src/jvmMain/kotlin/com/vitorpamplona/quartz/nip01Core/store/fs/README.md
index b15074ed3..15515c1cf 100644
--- a/quartz/src/jvmMain/kotlin/com/vitorpamplona/quartz/nip01Core/store/fs/README.md
+++ b/quartz/src/jvmMain/kotlin/com/vitorpamplona/quartz/nip01Core/store/fs/README.md
@@ -35,10 +35,10 @@ Everything documented in [`../sqlite/README.md`](../sqlite/README.md):
 | SQLite feature | This store |
 |---|---|
 | Insert + retrieve by Nostr filter | ✓ |
-| Replaceable events (kinds 0, 3, 10000-19999) — newer wins, older blocked | ✓ via `replaceable/<kind>/<pubkey>.json` slot |
-| Addressable events (kinds 30000-39999) — `(kind,pubkey,d)` uniqueness | ✓ via `addressable/<kind>/<pubkey>/<sha256(d)>.json` slot |
+| Replaceable events (kinds 0, 3, 10000-19999) — newer wins, older blocked, NIP-01 lexical-id tiebreaker on equal `created_at` | ✓ via `replaceable/<kind>/<pubkey>.json` slot |
+| Addressable events (kinds 30000-39999) — `(kind,pubkey,d)` uniqueness, same NIP-01 tiebreaker | ✓ via `addressable/<kind>/<pubkey>/<sha256(d)>.json` slot |
 | Ephemeral events never stored | ✓ rejected pre-write |
-| NIP-09 deletions — by id, by address, gift-wrap by `p`-tag, blocks re-insert | ✓ via `tombstones/id/` and `tombstones/addr/` (each tombstone is a hardlink to the kind-5 event) |
+| NIP-09 deletions — by id, by address (up to deletion's `created_at`), gift-wrap by `p`-tag, only the original author's deletions take effect | ✓ via `tombstones/id/` and `tombstones/addr/` (each tombstone is a hardlink to the kind-5 event) |
 | NIP-40 expirations — reject expired-on-insert, periodic sweep | ✓ via `idx/expires_at/` index + `deleteExpiredEvents()` |
 | NIP-45 counts | ✓ same planner, just count results |
 | NIP-50 full-text search — content tokenisation, AND of tokens | ✓ via `idx/fts/<token>/` |