diff --git a/AlphaX-4chan.md b/AlphaX-4chan.md
index da40ce39..b3be8bc3 100644
--- a/AlphaX-4chan.md
+++ b/AlphaX-4chan.md
@@ -2,6 +2,6 @@
 
 [Pinout](https://rusefi.com/docs/pinouts/hellen/alphax-4chan/)
 
-[iBom](https://rusefi.com/docs/ibom/alphax_4ch-a-ibom.html)
+[iBom rev A](https://rusefi.com/docs/ibom/alphax_4ch-a-ibom.html)
 
 [Issue tracker & hardware files](https://github.com/rusefi/alphax-4chan)
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