diff --git a/Pistols/9mm-M&P_Shield_Pistol_Frame-FreeMenDontAsk/README.md b/Pistols/9mm-M&P_Shield_Pistol_Frame-FreeMenDontAsk/README.md
index 24a4daa..678e486 100644
--- a/Pistols/9mm-M&P_Shield_Pistol_Frame-FreeMenDontAsk/README.md
+++ b/Pistols/9mm-M&P_Shield_Pistol_Frame-FreeMenDontAsk/README.md
@@ -22,4 +22,5 @@ This is the 9mm M&P Shield Frame by FreeMenDontAsk. This frame was inspired by t
 1. Upside down
 2. Infill 99%
 3. Shell outer walls #4
+4. Note: you can use PLA or ABS filament.