diff --git a/README.md b/README.md
index 3cee3d9..503b3d5 100644
--- a/README.md
+++ b/README.md
@@ -4,8 +4,8 @@
 
 A dependency-free, code-split, real-time **parameter panel**. Hand it a plain schema and
 it builds a live control for each value: sliders, toggles, dropdowns, a wide-gamut OKLCH
-color picker, gradient, shadow, cubic-bézier and motion editors, a spring tuner, monitors, a 2D
-point pad, and more.
+color picker, gradient, shadow, cubic-bézier and motion editors, a spring tuner, a four-sided
+length (padding, margin or radii) on one row, monitors, a 2D point pad, and more.
 
 **[Docs & live examples →](https://ryankiley.github.io/tweakit/)**
 
diff --git a/package-lock.json b/package-lock.json
index 10605c8..242ff7d 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "tweakit",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "tweakit",
-      "version": "0.3.1",
+      "version": "0.4.0",
       "license": "MIT",
       "devDependencies": {
         "esbuild": "^0.28.0",
diff --git a/package.json b/package.json
index b4abe1e..ef543ed 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "tweakit",
-  "version": "0.3.1",
+  "version": "0.4.0",
   "type": "module",
   "main": "./dist/tweaks.js",
   "types": "./dist/types/tweaks/core.d.ts",