fix typo in readme

diff --git a/README.md b/README.md
index 4312d80..4feeffe 100644
--- a/README.md
+++ b/README.md
@@ -22,7 +22,7 @@
     <version>3.2.6</version>
 <dependency>
 ```
-## Reaease
+## Release
 Deploy to maven repo:
 ```shell script
 mvn clean deploy -Prelease