diff --git a/docs/QRCodes.md b/docs/QRCodes.md
index a85184d..8976b44 100644
--- a/docs/QRCodes.md
+++ b/docs/QRCodes.md
@@ -54,6 +54,8 @@ The nine base-36 digits should encode a 45-bit word formed from the following da
 
 The result must be 9 digits. If less, pad with leading zeros.
 
-
+---
+
+[↩️](README.md) Back to the Welcome page