First table content updated (#3346)

* First table content updated

* premium vm - contact sales remark added

Author: michal-at-travisci

user/billing-overview.md

@@ -17,8 +17,8 @@ The variety of plans provides you with the flexibility to choose the plan that s
 
 | Billing Period | Concurrency based | Usage-based |
 |:-------        |:-----------------:|:-----------:|
-|Month           | Concurrent jobs limit<br />Unlimited build minutes on Linux, Windows, and FreeBSD<br />Paid macOS builds (credits)<br /><br /> | Very high concurrency limit<br />Paid macOS, Linux, Windows, and FreeBSD build minutes (credits)<br />Paid user licenses (only per users triggering the builds)<br /><br /> |
-|Annual      | Only grandfathered | Very high concurrency limit<br />Paid macOS, Linux, Windows, and FreeBSD build minutes (credits)<br />Paid user licenses (only per users triggering the builds)<br /><br />Purchase in Travis CI or contact support [for plans over $3,300](https://app.travis-ci.com/account/plan) in Travis CI |
+|Month           | Concurrent jobs limit<br />Unlimited build minutes on standard vm sized Linux, Windows, and FreeBSD<br />Paid macOS builds (credits)<br />Paid premium VM size (credits). Contact sales for other options.<br /><br />Purchase in [Travis CI](https://app.travis-ci.com/account/plan). | Very high concurrency limit<br />Paid macOS, Linux, Windows, and FreeBSD build minutes (credits)<br />Paid user licenses (only per users triggering the builds)<br /><br />Grandfathered only. |
+|Annual      | Available, same build rules as monthly. Purchase in [Travis CI](https://app.travis-ci.com/account/plan) or contact support.  | Very high concurrency limit<br />Paid macOS, Linux, Windows, and FreeBSD build minutes (credits)<br />Paid user licenses (only per users triggering the builds)<br /><br />Contact support for high volume annual usage-based plans. |
 
 
 For most of users, a single concurrency-based plan should be sufficient. However, if you build a lot of minutes per month and concurrency becomes a bottleneck, please contact Travis CI asking for a Usage-based plan.