diff --git a/Hellen-121-Nissan.md b/Hellen-121-Nissan.md
index dcdaff1f..2649b532 100644
--- a/Hellen-121-Nissan.md
+++ b/Hellen-121-Nissan.md
@@ -9,7 +9,7 @@
 
 [Issue Tracker](https://github.com/rusefi/hellen121nissan-issues/issues)
 
-[Schematics rev b](Hardware/Hellen/hellen121nissan-b-schematic.pdf)[[ibom rev b]](https://rusefi.com/docs/ibom/hellen121nissan-b-ibom.html)
+[[Schematics rev b]](Hardware/Hellen/hellen121nissan-b-schematic.pdf)[[ibom rev b]](https://rusefi.com/docs/ibom/hellen121nissan-b-ibom.html)
 
 [[Nissan-Xterra-2011]]
 
diff --git a/Hellen-128-Mercedes.md b/Hellen-128-Mercedes.md
index 2fae3a20..22cea881 100644
--- a/Hellen-128-Mercedes.md
+++ b/Hellen-128-Mercedes.md
@@ -9,9 +9,9 @@ This development board is PnP for Mercedes with the 128 Pin ECU (M111 and M113 e
 
 [[Issue Tracker]](https://github.com/rusefi/hellen128merc-issues/issues)
 
-[Schematics rev a](Hardware/Hellen/hellen128mercedes-a-schematic.pdf)
+[[Schematics rev a]](Hardware/Hellen/hellen128mercedes-a-schematic.pdf)[[iBom rev a]](https://rusefi.com/docs/ibom/hellen128mercedes-a-ibom.html)
 
-[iBom rev a](https://rusefi.com/docs/ibom/hellen128mercedes-a-ibom.html)
+[[Schematics rev a]](Hardware/Hellen/hellen128mercedes-b-schematic.pdf)[[iBom rev b]](https://rusefi.com/docs/ibom/hellen128mercedes-b-ibom.html)
 
 ## Hardware features