user-manual: use pithier example commit

diff --git a/Documentation/git-diff-tree.txt b/Documentation/git-diff-tree.txt
index 906830d4bf7b69e98fd1ef0d488976d29eae7749..6e660e2d08c2d9d795b5ccfb91f755160cf58930 100644 (file)
--- a/Documentation/git-diff-tree.txt
+++ b/Documentation/git-diff-tree.txt
@@ -32,7 +32,7 @@ include::diff-options.txt[]
 <path>...::
        If provided, the results are limited to a subset of files
        matching one of these prefix strings.
-       ie file matches `/^<pattern1>|<pattern2>|.../`
+       i.e., file matches `/^<pattern1>|<pattern2>|.../`
        Note that this parameter does not provide any wildcard or regexp
        features.
 
@@ -54,7 +54,7 @@ include::diff-options.txt[]
 +
 When a single commit is given on one line of such input, it compares
 the commit with its parents.  The following flags further affects its
-behaviour.  This does not apply to the case where two <tree-ish>
+behavior.  This does not apply to the case where two <tree-ish>
 separated with a single space are given.
 
 -m::
@@ -73,10 +73,7 @@ separated with a single space are given.
        This flag causes "git-diff-tree --stdin" to also show
        the commit message before the differences.
 
---pretty[=(raw|medium|short)]::
-       This is used to control "pretty printing" format of the
-       commit message.  Without "=<style>", it defaults to
-       medium.
+include::pretty-options.txt[]
 
 --no-commit-id::
        git-diff-tree outputs a line with the commit ID when
@@ -107,6 +104,9 @@ separated with a single space are given.
        if the diff itself is empty.
 
 
+include::pretty-formats.txt[]
+
+
 Limiting Output
 ---------------
 If you're only interested in differences in a subset of files, for