# Determine how long we need to delay in between operations that might
# modify autom4te.cache. This depends on three factors: whether the
# 'sleep' utility supports fractional seconds in its argument; what
-# the resolution of last-modification timestamps is on the filesystem
+# the resolution of last-modification timestamps is on the file system
# hosting the build; and whether autom4te and automake can both make
# use of high-resolution file timestamps (this is not entirely under
# our control because it depends on the capabilities of the Perl
# or might be buggy. Also, even if it's present and correct, it didn't
# probe the autom4te we just built, which is the one we care about.
#
-# The coarsest filesystem we know of is FAT, with a resolution
+# The coarsest file system we know of is FAT, with a resolution
# of only two seconds, even with the most recent "exFAT" extensions.
# The finest (e.g. ext4 with large inodes, XFS, ZFS) is one
# nanosecond, matching clock_gettime. However, it is probably not