<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2012 Square, Inc. -->

<resources>
  <string name="day_name_format">EEE</string>
  <string name="invalid_date">Date must be between %1$s and %2$s.</string>
  <string name="month_name_format">MMMM yyyy</string>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<!-- Copyright 2012 Square, Inc. -->

<resources>
  <string name="day_name_format">EEE</string>
  <string name="invalid_date">Date must be between %1$s and %2$s.</string>
  <string name="month_name_format">LLLL yyyy</string>
</resources>

Fix of month name format
Fix of month name format

Changed month in year (MMMM) to stand-alone month (LLLL). In polish language stand-alone month sounds better.