maint: fix a comment typo

* tests/cp/fiemap-empty: Correct typo in comment.  Add "FIXME".

diff --git a/tests/cp/fiemap-empty b/tests/cp/fiemap-empty
index f1ed71c..203619a 100755 (executable)
--- a/tests/cp/fiemap-empty
+++ b/tests/cp/fiemap-empty
@@ -50,7 +50,7 @@ rm empty.big cp.test
 
 # Ensure we handle extents beyond file size correctly.
 # Note until we support fallocate, we will not maintain
-# the file allocation. Ammend this test when fallocate is supported
+# the file allocation.  FIXME: amend this test when fallocate is supported.
 fallocate -l 10000000 -n unwritten.withdata || framework_failure
 dd count=10 if=/dev/urandom conv=notrunc iflag=fullblock of=unwritten.withdata
 cp unwritten.withdata cp.test || fail=1