diff --git a/readme.md b/readme.md
index 52cf246..1dacaba 100644
--- a/readme.md
+++ b/readme.md
@@ -1,3 +1,5 @@
+**EEP! pin pitch on the BM1387 footprint is wrong!!** Don't make this board until this gets sorted. see issue [#5](https://github.com/skot/bitaxe/issues/5)
+
 # The bitaxe
 ![](doc/assembled.png)
 an experimental bitcoin mining machine. Uses 2x Bitmain BM1387 ASICs. Should be able to hash at around 130GH/s. Needs a lot of work!
@@ -44,4 +46,4 @@ Check my [BM1387 Scripts](https://github.com/skot/bm1387_scripts)!
 - Connect up the BM1387 internal temperature to the onboard microcontroller.
 - Connect up the fan speed sensor to the onboard microcontroller.
 - Develop some software in Rust to getblocktemplate from a bitcoin node and communicate work to a fleet of bitaxes.
-- add an onboard power sensor
\ No newline at end of file
+- add an onboard power sensor