Update README.md (#236)

Author: newyork-anthonyng

README.md

@@ -330,7 +330,7 @@ You can also always just simply copy the default style to your own css/scss/less
 
 ### Custom Components
 
-In case you want to create your own component wrapping the ones that the library provides, you have to set its `tabsRole`. This is value is used inside react-tabs to check the role of a component inside `<Tabs />`.
+In case you want to create your own component wrapping the ones that the library provides, you have to set its `tabsRole`. This value is used inside react-tabs to check the role of a component inside `<Tabs />`.
 
 Possible values for tabsRole are: 
  * Tab