fix(ipam): clarify billing is an example

Author: RoRoJ

pages/ipam/reference-content/understanding-ip-billing.mdx

@@ -25,11 +25,13 @@ Public connectivity for **Instances**, **Elastic Metal**, **Load Balancers** and
 - Prices are rounded to a minimum amount of €0.01 on a per-IP basis. This means that if you keep a given flexible IP for only a short duration (less than a day), its billing may be higher than you expect. See example below.
 
 <Message type="tip">
+
 **Rounding of hourly billing for flexible IP addresses**
 <br />
-The following scenario exemplifies the rounding used:
+The following scenario exemplifies the rounding used.
+Note that you should always check the [Scaleway pricing page](https://www.scaleway.com/en/pricing/network/#additional-ip) for the most up-to-date hourly rates.
 <br />
-- A flexible IPv4 address is billed at €0.004 per hour
+- A flexible IPv4 address is billed, for example, at €0.004 per hour
 - You create **three** flexible IP addresses at 3pm and delete them all **1 hour** later at 4pm
 - Cost incurred per IP address is therefore `0.0004 x 1 = €0.0004`
 - As this does not meet the minimum billable amount of €0.01, the cost for each IP is rounded to `€0.01`