diff --git a/README.md b/README.md
index 110ea39..9c841ac 100644
--- a/README.md
+++ b/README.md
@@ -129,7 +129,15 @@ const { diffDelta, applyDelta, revertDelta } = require('json-diff-ts');
 
 ## What is JSON Delta?
 
-[JSON Delta](https://github.com/ltwlf/json-delta-format) is a specification for representing atomic changes to JSON documents. json-diff-ts is the originating implementation from which the spec was derived. A Python implementation is also available: [json-delta-py](https://github.com/ltwlf/json-delta-py).
+[JSON Delta](https://github.com/ltwlf/json-delta-format) is a specification for representing atomic changes to JSON documents. json-diff-ts is the originating implementation from which the spec was derived.
+
+```text
+json-delta-format  (specification)
+    ├── json-diff-ts      (TypeScript implementation)  ← this package
+    └── json-delta-py     (Python implementation)
+```
+
+The specification defines the wire format. Each language implementation produces and consumes compatible deltas.
 
 A delta is a self-describing JSON document you can store, transmit, and consume in any language:
 
diff --git a/package-lock.json b/package-lock.json
index bb77981..2883c61 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
   "name": "json-diff-ts",
-  "version": "4.10.0",
+  "version": "5.0.0-alpha.1",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "json-diff-ts",
-      "version": "4.10.0",
+      "version": "5.0.0-alpha.1",
       "license": "MIT",
       "devDependencies": {
         "@eslint/js": "^10.0.1",
diff --git a/package.json b/package.json
index d99c3a4..ad1285a 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "json-diff-ts",
-  "version": "5.0.0-alpha.0",
+  "version": "5.0.0-alpha.1",
   "description": "Modern TypeScript JSON diff library - Zero dependencies, high performance, ESM + CommonJS support. Calculate and apply differences between JSON objects with advanced features like key-based array diffing, JSONPath support, and atomic changesets.",
   "main": "./dist/index.cjs",
   "module": "./dist/index.js",