Add versionadded directive missing from r78983.
diff --git a/Doc/library/compileall.rst b/Doc/library/compileall.rst
index 1835b31..29041cd 100644
--- a/Doc/library/compileall.rst
+++ b/Doc/library/compileall.rst
@@ -54,6 +54,9 @@
    Write legacy ``.pyc`` file path names.  Default is to write :pep:`3147`-style
    byte-compiled path names.
 
+.. versionadded:: 3.2
+   The ``-i`` and ``-b`` options.
+
 
 Public functions
 ----------------