Update README.md

Author: anton-knyazev

README.md

@@ -30,7 +30,7 @@ dependencies {
 # Usage
 Example of usage in xml layout
 ```
-    <com.omega_r.libs.centericonbutton.OmegaCenterIconButton
+    <com.omega_r.libs.OmegaCenterIconButton
         android:layout_width="match_parent"
         android:layout_height="wrap_content"
         android:drawableLeft="@drawable/ic_android_black_24dp"