Update README.md

Author: artdong

README.md

@@ -8,7 +8,7 @@
 
 > A simple organization tree component based on react
 
-> if you are using vue, see [vue-org-tree](https://github.com/hukaibaihu/vue-org-tree)
+> If you are using vue, see [vue-org-tree](https://github.com/hukaibaihu/vue-org-tree)
 
 ### Installation