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-rw-r--r--Documentation/diff-options.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/diff-options.txt b/Documentation/diff-options.txt
index c93124be79..7e4bd425e1 100644
--- a/Documentation/diff-options.txt
+++ b/Documentation/diff-options.txt
@@ -72,6 +72,10 @@ endif::git-format-patch[]
a cut-off percent (3% by default) are not shown. The cut-off percent
can be set with `--dirstat=<limit>`. Changes in a child directory are not
counted for the parent directory, unless `--cumulative` is used.
++
+Note that the `--dirstat` option computes the changes while ignoring
+the amount of pure code movements within a file. In other words,
+rearranging lines in a file is not counted as much as other changes.
--dirstat-by-file[=<limit>]::
Same as `--dirstat`, but counts changed files instead of lines.