diff --git a/yaml/buddy-error-codes.yaml b/yaml/buddy-error-codes.yaml
index ae6e1ab..c0fd3fa 100644
--- a/yaml/buddy-error-codes.yaml
+++ b/yaml/buddy-error-codes.yaml
@@ -12,6 +12,11 @@
 # BOOTLOADER     xx6xx   #
 # WARNINGS       xx7xx   # Category-less warnings
 # CONNECT        xx8xx   # Remote Dialogs for Connect (unlike xx4xx which includes things like "Can't register to Connect")
+#
+# "printers" is a list of firmware flavours (not actual printer models),
+# e.g. MK4 covers all printers running MK4 firmware: MK4, MK4S, MK3.9
+# currently supported list: MINI, MK4, XL, iX, MK3.5
+# if no printers list exists, the error is applicable to all printers running Buddy FW.
 
 Errors:
   - code: "XX101"