Update README.md

Author: raquentin

README.md

@@ -1,15 +1,20 @@
 # 📉 punt-engine
 
-Punt Engine is an open-source FPGA-accelerated high-frequency trading engine. In short, we input a stream of market data for an asset and output requests buying or selling the asset based on historical trends. See https://punt-engine.com for full documentation.
+Punt Engine is an open-source FPGA-accelerated high-frequency trading engine. See https://punt-engine.com for full documentation.
 
 ## Components
 
 ### Pipebomb
 **P**ipebomb **I**s a **P**ipelined and **E**ventually **B**alanced **O**rder-**M**anaging **B**ook.
+In short, it's a discrete hardware core inputting a stream from Nasdaq’s ITCH protocol and outputting market indicators that drive strategic decisions.
+
+![order book design](https://github.com/raquentin/punt-engine/blob/main/docs/content/images/pipelined-ob.png?raw=true)
+
+Learn more by reading the source or [the docs](https://punt-engine.com/notes/the-architecture-of-a-pipelined-order-book#accumulators).
 
 ### Madlib
-**M**adlib: **A** **D**MA **L**ibrary via **I**nterconnect **B**uffers
+**M**adlib: **A** **D**MA **L**ibrary via **I**nterconnect **B**uffers. It abstracts upon the [Xilinx PCIe DMA drivers](https://github.com/Xilinx/dma_ip_drivers) to provide a C++ programming interface for writing to and reading from FPGA on-board memory. 
 
 ## Contributing
 
-All contributors are welcome. Begin by reading through our [docs](https://punt-engine.com) and looking through [open issues tagged "help wanted"](https://github.com/raquentin/punt-engine/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22).
+Most contributors are welcome. Begin by reading through our [docs](https://punt-engine.com) and looking through [open issues tagged "help wanted"](https://github.com/raquentin/punt-engine/issues?q=is%3Aissue+is%3Aopen+label%3A%22help+wanted%22).