diff --git a/doc/rollup_tree.monopic b/doc/rollup_tree.monopic
new file mode 100644
index 0000000..31e5483
Binary files /dev/null and b/doc/rollup_tree.monopic differ
diff --git a/doc/rollup_tx.monopic b/doc/rollup_tx.monopic
index 89725b9..76d5b25 100644
Binary files a/doc/rollup_tx.monopic and b/doc/rollup_tx.monopic differ
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index de261d2..36227e4 100644
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