diff --git a/README.md b/README.md
index a3d8c4c..70be1f3 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
     <a href="https://codecov.io/gh/openscilab/reserver"><img src="https://codecov.io/gh/openscilab/reserver/branch/main/graph/badge.svg" alt="Codecov"/></a>
     <a href="https://badge.fury.io/py/reserver"><img src="https://badge.fury.io/py/reserver.svg" alt="PyPI version"></a>
     <a href="https://www.python.org/"><img src="https://img.shields.io/badge/built%20with-Python3-green.svg" alt="built with Python3"></a>
-	<a href="https://github.com/openscilab/reserver"><img alt="GitHub repo size" src="https://img.shields.io/github/repo-size/openscilab/reserver"></a>
+    <a href="https://github.com/openscilab/reserver"><img alt="GitHub repo size" src="https://img.shields.io/github/repo-size/openscilab/reserver"></a>
     <a href="https://discord.gg/RD2y6SGuY3"><img src="https://img.shields.io/discord/1064533716615049236.svg" alt="Discord Channel"></a>
 </div>