diff --git a/human-readable.txt b/human-readable.txt
new file mode 100644
--- /dev/null
+++ b/human-readable.txt
@@ -0,0 +1,4 @@
+I just moved every file in `lipbhutil/` into `arcanist/` and then changed
+some "libphutil" strings into "arcanist" strings. Since "arc" can't diff
+itself yet and this change isn't really reviewable anyway, here's a text
+file.