Update README.md

Author: johnkil

README.md

@@ -123,7 +123,7 @@ If you intend to use is not all fonts, the extra fonts can be removed.
 ``` xml
 android.applicationVariants.all{ variant ->
     variant.mergeAssets.doFirst {
-        File fonts = file("${projectDir}/build/intermediates/exploded-aar/com.github.johnkil.android-robototextview/robototextview/2.1.0/assets/fonts")
+        File fonts = file("${projectDir}/build/intermediates/exploded-aar/com.github.johnkil.android-robototextview/robototextview/2.2.0/assets/fonts")
         if (fonts.exists()) {
             for (File file : fonts.listFiles()) {
                 if (file.getName().contains("RobotoSlab")) {