diff --git a/README.md b/README.md
index 5e99897..105d19e 100644
--- a/README.md
+++ b/README.md
@@ -20,8 +20,8 @@
 - 3.0.0
   - [X] React native 70
   - [X] Android SDK 6.8.20
-  - [] iOS SDK 2.0
-  - [] iOS SDK 2.0 No payment function
+  - [ ] iOS SDK 2.0
+  - [ ] iOS SDK 2.0 No payment function
   - [X] Example
 - 1.1.x
   - [X] React native 60