since -> because

content/blog/2018-05-23-react-v-16-4.md

@@ -49,8 +49,8 @@ static getDerivedStateFromProps(props, state) {
   if (props.value !== state.controlledValue) {
     return {
       // Since this method fires on both props and state changes, local updates
-      // to the controlled value will be ignored, since the props version always
-      // overrides it. Oops!
+      // to the controlled value will be ignored, because the props version
+      // always overrides it. Oops!
       controlledValue: props.value,
     };
   }