diff --git a/README.md b/README.md
index 2e38cff..43968b9 100644
--- a/README.md
+++ b/README.md
@@ -6,10 +6,8 @@ Auditable & minimal JS implementation of Salsa20, ChaCha and AES.
 - 🔻 Tree-shaking-friendly: use only what's necessary, other code won't be included
 - 🏎 [Ultra-fast](#speed), hand-optimized for caveats of JS engines
 - 🔍 Unique tests ensure correctness: property-based, cross-library and Wycheproof vectors
-- 💼 AES: very fast ECB, CBC, CTR, GCM, SIV (nonce misuse-resistant)
+- 💼 AES: ECB, CBC, CTR, GCM, SIV (nonce misuse-resistant)
 - 💃 Salsa20, ChaCha, XSalsa20, XChaCha, Poly1305, ChaCha8, ChaCha12
-- ✍️ FF1 format-preserving encryption
-- 🧂 Compatible with NaCl / libsodium secretbox
 - 🪶 Just 500 lines / 4KB gzipped for Salsa + ChaCha + Poly build
 
 ### This library belongs to _noble_ crypto
diff --git a/package.json b/package.json
index 8d08753..6766e74 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "@noble/ciphers",
   "version": "0.4.0",
-  "description": "Auditable & minimal JS implementation of Salsa20, ChaCha & AES",
+  "description": "Auditable & minimal JS implementation of Salsa20, ChaCha and AES",
   "files": [
     "esm",
     "src",
@@ -130,7 +130,8 @@
     "xchacha20poly1305",
     "secretbox",
     "rijndael",
-    "siv"
+    "siv",
+    "ff1"
   ],
   "funding": "https://paulmillr.com/funding/"
 }
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