diff --git a/69.md b/69.md
index 4393442..efc742b 100644
--- a/69.md
+++ b/69.md
@@ -25,7 +25,7 @@ The static payment code is a bech32 (per [NIP-19](19.md)) encoded string prefixe
 - `2`: The offer identifying string.
 - `3`: A flag indicating the pricing type:
   - `0`: Fixed price (Price stated in 4 will not change)
-  - `1`: Variable price (Price must be calculated and will be reflected in the invoice)
+  - `1`: Variable price (Price must be calculated and will be reflected in the invoice, useful for products priced in fiat)
   - `2`: Spontaneous payment (Payer specifies the amount in request payload)
 - `4`: The price in sats (optional for display purposes).