local.conf.sample: fix typo

(From meta-yocto rev: 8d872236e713a4b26059039fb32e93e7b602bb6c)

Signed-off-by: Ulrich Ölmann <u.oelmann@pengutronix.de>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta-poky/conf/local.conf.sample

@@ -188,7 +188,7 @@ PATCHRESOLVE = "noop"
 #
 # Monitor the disk space during the build. If there is less that 1GB of space or less
 # than 100K inodes in any key build location (TMPDIR, DL_DIR, SSTATE_DIR), gracefully
-# shutdown the build. If there is less that 100MB or 1K inodes, perform a hard abort
+# shutdown the build. If there is less than 100MB or 1K inodes, perform a hard abort
 # of the build. The reason for this is that running completely out of space can corrupt
 # files and damages the build in ways which may not be easily recoverable.
 # It's necessary to monitor /tmp, if there is no space left the build will fail