user-manual: use pithier example commit

diff --git a/Documentation/git-commit-tree.txt b/Documentation/git-commit-tree.txt
index cf25507f8f37194461e939bfa389ca00af05a5b1..504a3aa1b460ffac9308bec4ff72cf657f8fec30 100644 (file)
--- a/Documentation/git-commit-tree.txt
+++ b/Documentation/git-commit-tree.txt
@@ -60,6 +60,8 @@ either `.git/config` file, or using the following environment variables.
        GIT_AUTHOR_DATE
        GIT_COMMITTER_NAME
        GIT_COMMITTER_EMAIL
+       GIT_COMMITTER_DATE
+       EMAIL
 
 (nb "<", ">" and "\n"s are stripped)