diff --git a/README.md b/README.md
index 9ef36577692cd8d3e86b14431626580add3fc250..5590b383ffb66a9040f15ec488c534bf9a4f58f8 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,9 @@ reboot
 ```
 
 ## PCR values
+
+# check out: https://wiki.archlinux.org/title/Trusted_Platform_Module#Accessing_PCR_registers
+
 - 0 BIOS
 - 1 BIOS configuration
 - 2 Option ROMs