diff --git a/buildguide_en.md b/buildguide_en.md
index 9de0c63..ef662c9 100644
--- a/buildguide_en.md
+++ b/buildguide_en.md
@@ -148,7 +148,9 @@ Attach the connector for the OLED on front side (opposite side of diodes). Be ca
 
 ## Install Pro Micro (with sockets)
 
-**Before installing the Pro Micro, no matter which (can also happen on the elite c), check whether they are working by plugging them in and flashing the default keymap.** 
+**Before installing the Pro Micro, no matter which (can also happen on the Elite C), check whether they are working by plugging them in and flashing the default keymap.**
+
+**When Installing the Pro Micro Puchi-C or Elite C, be sure it has the right orientation! The chips on the Bord have to face downward and the USB Port is on the upper edge of your Board.**
 
 The pin header enclosed in the bag of Pro Micro can be used, but i recommend to use the Mill-Max socket headers.
 With the Mill-Max header it's easier to replace the Pro Micro, if it's broken. (Especially the Pro Micros will break at some point)
@@ -352,4 +354,4 @@ If you don't want to use the underglow function with the SK6812-Mini LEDs, then
 
 ![Left half - bridge underglow](img/lily58l-birdge-underglow-1.png)
 
-![Right half - bridge underglow](img/lily58l-birdge-underglow-2.png)
\ No newline at end of file
+![Right half - bridge underglow](img/lily58l-birdge-underglow-2.png)