Update README.md

ufo22940268 · web-flow · commit 519b0fd2d047 · 2017-12-06T15:21:22.000+08:00
diff --git a/README.md b/README.md
@@ -9,7 +9,7 @@ Implement justified textview base on the native TextView. Let text displays fill
 ### Chinese
 ![截了个图](./zh.png)
 
-##Usage
+## Usage
 
 You can import in build.gradle like this
 
