diff --git a/docs/Module_Build_yourself_PCB.md b/docs/Module_Build_yourself_PCB.md
index 5e8c88d..cc43269 100644
--- a/docs/Module_Build_yourself_PCB.md
+++ b/docs/Module_Build_yourself_PCB.md
@@ -83,10 +83,10 @@ You are now ready to go over to [Compiling and Programming STM32](Compiling_STM3
#Reference Schematic
Here is the schematic you can use to troubleshoot the module
-## PCB 3.2d Schematic
+## PCB 2.3d Schematic
General module schematic (reference)
-V3.2d Board Schematic
+V2.3d Board Schematic
## PCB STM32 Schematic