diff --git a/README.md b/README.md
index 7dcbee3..e999990 100644
--- a/README.md
+++ b/README.md
@@ -15,3 +15,5 @@ You can find all the step files for the case [here](assets/models)
 
 ### Build Guide
 Soon...
+
+IMPORTANT: When submitting the gerber for manufacturing, set the PCB thickness to 0.8mm.