ls-tree manpage: use "unless" instead of "when ... is not"

diff --git a/Documentation/technical/racy-git.txt b/Documentation/technical/racy-git.txt
index 5030d9f2f831651f231d5c40d0e2110564646ef2..6bdf034b3af55c8d881fee9153d5cd1824660692 100644 (file)
--- a/Documentation/technical/racy-git.txt
+++ b/Documentation/technical/racy-git.txt
@@ -184,7 +184,7 @@ In a large project where raciness avoidance cost really matters,
 however, the initial computation of all object names in the
 index takes more than one second, and the index file is written
 out after all that happens.  Therefore the timestamp of the
-index file will be more than one seconds later than the the
+index file will be more than one seconds later than the
 youngest file in the working tree.  This means that in these
 cases there actually will not be any racily clean entry in
 the resulting index.