189c189,193
< 	Do not touch these unless you know what you are doing.
---
> 	Sets the compression used when making compiled or source packages.
> 	Valid options for PKGEXT include .pkg.tar, .pkg.tar.gz, .pkg.tar.bz2,
> 	.pkg.tar.xz.  Valid options for SRCEXT include .src.tar, .src.tar.gz,
> 	.src.tar.bz2, .src.tar.xz.  Uncompressed .tar packages will
> 	generate a warning but still be produced.