update: readme

README.md

@@ -1 +1,12 @@
-# Correction-Extension
+# Custom Text Replacer Chrome Extension
+
+Custom Text Replacer is a Chrome Extension that allows users to define custom text replacement rules for web pages. With this extension, you can automatically replace specified phrases or words with alternatives that you set.
+
+## Features
+
+- Define custom text replacement pairs.
+- Easy-to-use popup interface for managing your replacements.
+
+## Installation
+
+Drag the CRX into your Chrome, Chromium or Brave Extensions Page.