Update console/billing/how-to/redeem-voucher-code.mdx

Co-authored-by: nerda-codes <[email protected]>

Author: jsudraud

console/billing/how-to/redeem-voucher-code.mdx

@@ -53,6 +53,6 @@ Vouchers provide discounts or credits to use on our services. However, certain c
 ### Fees excluded from vouchers
 Some fees are always excluded from voucher applicability: 
 
-- **Elastic Metal Commitment Fees**: These are fixed costs for reserving Elastic Metal servers and cannot be covered by vouchers.
+- **Elastic Metal commitment fees**: These are fixed costs for reserving Elastic Metal servers and cannot be covered by vouchers.
 
-- **Domain Names**: Fees for registering, renewing, or managing domain names are not eligible for voucher use.
+- **Domain names**: Fees for registering, renewing, or managing domain names are not eligible for voucher use.