diff --git a/Hardware/Hardware.md b/Hardware/Hardware.md
index cebe63b7..26e78d6e 100644
--- a/Hardware/Hardware.md
+++ b/Hardware/Hardware.md
@@ -6,7 +6,7 @@ As of May 2021 microRusEFI and Proteus are sold as ECU development boards. See [
 
 | Board | Features | Connectors/Misc. Info | Released in | Maximum recommended engine |
 | ----- | -------- | --------------------- | ----------- | ---------------------------|
-| [Hellen](Hellen-One-Platform) | +knock detection | modular design| 2020 | TBD cylinder, single electronic throttle |
+| [Hellen Platform](Hellen-One-Platform) | +knock detection | modular design| 2020 | Board-specific |
 | [Proteus](Proteus) [ on eBay!](https://www.ebay.com/itm/rusEFI-Proteus-0-4-standalone-ECU/333841923141)| + rusEFI if you have lots of hardware or cylinders<br/>+ 4 layer PCB, 135mm x 82.5mm<br/>+ 16 low-side outputs, limited to 3 amps each (injectors, relays, check engine light, etc)<br/>+ 12x ignition outputs (or general purpose 5v, 100mA push-pull)<br/>+ Dual electronic throttles<br/>+ 4x High-side 12v drivers, 1 amp each<br/>+ 4 thermistor analog inputs (2.7k pull up resistor)<br/>+ 12 General purpose analog inputs<br/>+ Dual VR sensors (crank position, wheel speed)<br/>+knock detection<br/>+ 6 digital inputs (hall cam/crank position, wheel speed, clutch/brake switch, etc) | TE Ampseal connectors: 2x 35 pin, 1x 23 pin<br/>rusEFI's most fully-featured shield<br/>IP68 waterproof case | 2020 | 12 cylinder, dual electronic throttles |
 | [microRusEFI](Hardware-microRusEFI) [on eBay!](https://www.ebay.com/itm/333532119947) | + Available fully assembled!<br/>+ about 10 analog inputs<br/>+ One VR/Hall input channel for crank sensor<br/>+ One Hall input channel for crank sensor<br/>+ 4 injector output channels<br/>+ 4 logic level coil control channels (external igniters could be needed for some coils) | 48-pin connector<br/>On-board DBW<br/>USB, CAN<br/>open source hardware  | 2019 | 4 cylinder, single electronic throttle |
 | [Prometheus](https://rusefi.com/forum/viewtopic.php?f=4&t=1215)  | + The only rusEFI board with on-board wide band controller.<br/>+ compact 4-layer PCB smaller than 93 x 100 mm<br/>+ on-board power supply<br/>+ knock sensor chip<br/>+ stepper motor IAC controller chip<br/>+ stepper motor IAC controller chip<br/>+ onboard 4-channel "smart" protected ignition drivers<br/>+ bluetooth module<br/>+ supports two packages of on-board stm32 chips | no on-board connector (wired)<br/>SD card, USB/TTL, CAN  | 2017 | 4 cylinder. No plans to offer assembled units. |