Update README.md

Deleted `dev` branch

1 files changed, 0 insertions, 6 deletions

diff --git a/README.md b/README.md
index f411aa2..b86f9c6 100644
--- a/README.md
+++ b/README.md
@@ -14,16 +14,10 @@ A simple math expressions calculator
 * Easily extendable
 
 ## Install via Composer:
-Stable branch
 ```
 composer require "nxp/math-executor"
 ```
 
-Dev branch (currently unsupported)
-```
-composer require "nxp/math-executor" "dev-dev"
-```
-
 ## Sample usage:
 ```php
 require "vendor/autoload.php";