git filter-branch --commit-filter '
if [ "$GIT_COMMITTER_EMAIL" = "wrong_email@example.com" ];
then
    GIT_COMMITTER_NAME="Your Name";
    GIT_COMMITTER_EMAIL="your_email@example.com";
    GIT_AUTHOR_NAME="Your Name";
    GIT_AUTHOR_EMAIL="your_email@example.com";
    git commit-tree "$@";
else
    git commit-tree "$@";
fi' HEAD