diff --git a/README.md b/README.md
index ecdc0ac..3a87e45 100644
--- a/README.md
+++ b/README.md
@@ -46,6 +46,7 @@ yarn dev chrome
 yarn dev firefox
 yarn dev opera
 yarn dev edge
+yarn dev safari
 ```
 
 ## Build extension
@@ -54,6 +55,7 @@ yarn build chrome
 yarn build firefox
 yarn build opera
 yarn build edge
+yarn build safari
 ```
 
 ## Lint codes
@@ -76,3 +78,6 @@ yarn type-check
 ```
 yarn supported-browsers
 ```
+
+# LICENSE
+MIT