Update commentary on what build-all.sh builds
# ----------------
# This script, build-all.sh, is a simple sanity check that the tests pass and
-# the example programs, fuzz programs and release editions compile.
+# the example programs (including fuzz programs) compile.
#
# If you're just looking to get started with Wuffs, running this script isn't
# necessary (as Wuffs doesn't have the "configure; make; make install" dance or
