Alpha example doesn't match description

if I understand this correctly, "you can also specify values as #AARRGGBB, where AA is an alpha value." The alpha in this example would be 33% right?

README.md

@@ -74,7 +74,7 @@ if (cordova.platformId == 'android') {
 }
 ```
 
-It is also possible to make the status bar semi-transparent. For example, a black status bar with 20% opacity:
+It is also possible to make the status bar semi-transparent. For example, a black status bar with 33% opacity:
 ```js
 if (cordova.platformId == 'android') {
     StatusBar.overlaysWebView(true);