Update a comment to match the latest rules.

Test: n/a
Change-Id: Ib45a25b3c9b987f56c350b91d72caca8a16fb52e
diff --git a/private/zygote.te b/private/zygote.te
index 9fc0998..29d61b4 100644
--- a/private/zygote.te
+++ b/private/zygote.te
@@ -96,7 +96,8 @@
 allow zygote mnt_user_file:file create_file_perms;
 # Allowed to mount user-specific storage into place
 allow zygote storage_file:dir { search mounton };
-# Allow mounting on sdcardfs dirs
+
+# Allow mounting and creating files, dirs on sdcardfs.
 # TODO: reduce this back to only sdcardfs once b/123533205 is root-caused
 # (Technically "sdcardfs" and "media_rw_data_file" are equivalent, since
 # sdcardfs simply wraps files stored under /data/media.)