Membership pricing: sliding scale from $5/mo (suggested $15) across docs

getting-started.md

@@ -9,11 +9,12 @@ using the chat, and getting involved in governance.
 
 ## 1. Become a member
 
-Membership is a **sliding-scale contribution of $10–20/month** through Open
-Collective. What you pay is up to you.
+Membership is a **sliding-scale contribution starting at $5/month** through
+Open Collective (the suggested level is $15 — pay what fits your
+circumstances).
 
 1. Go to [opencollective.com/inference-cooperative](https://opencollective.com/inference-cooperative).
-2. Choose a contribution amount in the $10–20 range and subscribe.
+2. Choose a contribution amount ($5 minimum) and subscribe.
 3. After you contribute, you'll land on a "check your inbox" page.
 
 **Within a few minutes, you'll get a welcome email** with a link to set up your
@@ -95,8 +96,9 @@ and the "Contributing" section for how to propose changes through
 
 ## Your allowance and credits
 
-Membership includes **$15 of usage credit each month**, shared between chat and
-API. It's a starting value, not a hard rule:
+Membership includes **$15 of usage credit each month** (same for every member,
+regardless of what you pay), shared between chat and API. It's a starting
+value, not a hard rule:
 
 - The allowance resets each month on your personal billing date (the day your
   membership payment recurs) — not on a fixed calendar day.