chore: improved indention
chore: improved indention

aterai/java-swing-tips,mhcrnl/java-swing-tips,aterai/java-swing-tips,aoguren/java-swing-tips,aoguren/java-swing-tips,mhcrnl/java-swing-tips,aterai/java-swing-tips,mhcrnl/java-swing-tips,aterai/java-swing-tips,aoguren/java-swing-tips