Update readme

Author: whitep4nth3r

README.md

@@ -40,7 +40,7 @@ What npmx offers:
 
 ### Package browsing
 
-- **Dark mode by default** – and customize the color palette to your preferences
+- **Dark mode** – customize the color palette to your preferences
 - **Fast search** – quick package search with instant results
 - **Package details** – READMEs, versions, dependencies, and metadata
 - **Code viewer** – browse package source code with syntax highlighting and permalink to specific lines