--- makepkg-optimize.conf
+++ makepkg-optimize.conf
@@ -83,6 +83,9 @@
 #-- ccache:   Use ccache to cache compilation
 #-- check:    Run the check() function if present in the PKGBUILD
 #-- sign:     Generate PGP signature file
+#-- lto:      Use link-time optimization
+#-- pgo:      Generate or utilize profile guided optimization
+#-- graphite: Use Graphite loop optimizations
 #
 BUILDENV=(!distcc color !ccache !check !sign)
 #
@@ -142,6 +144,8 @@
 #SRCDEST=/home/sources
 #-- Source packages: specify a fixed directory where all src packages will be placed
 #SRCPKGDEST=/home/srcpackages
+#-- Profile cache: specify a fixed directory where profiles will be stored
+#PROFDEST=/home/sources
 #-- Log files: specify a fixed directory where all log files will be placed
 #LOGDEST=/home/makepkglogs
 #-- Packager: name/email of the person or organization building packages