Update github-enterprise-service-level-agreement.md (#17140)

Clarify coverage for API requests only for Service Features specifically named in the SLA.

content/github/site-policy/github-enterprise-service-level-agreement.md

@@ -17,7 +17,7 @@ For definitions of each Service feature (“**Service Feature**”) and to revie
 
 | **Service Feature** | **Uptime Calculation** | **Definitions** | **Service Credits Calculation** |
 |---|---|---|---|
-| **Issues**,<br>**Pull&nbsp;Requests**,<br>**Git&nbsp;Operations**,<br>**API&nbsp;Requests**,<br>**Webhooks**,<br>**Pages** | (total minutes in a calendar quarter - Downtime) / total minutes in a calendar quarter | “**Downtime**” is a period of time where either (a) the error rate exceeds five percent (5%) in a given minute for any Service Feature or (b) the Service was unavailable as determined by a combination of GitHub's internal and external monitoring systems. | A Service Credits claim may be based on either (not both) of the following calculations: <ul><li>10% of the amount Customer paid for a Service Feature in a calendar quarter where the Uptime for that Service Feature was less than or equal to 99.9%, but greater than 99.0%. <BR><BR>OR <BR><BR></li><li>25% of the amount Customer paid for a Service Feature in a calendar quarter where the Uptime of that Service Feature was less than 99.0%.</li></ul> | |
+| **Issues**,<br>**Pull&nbsp;Requests**,<br>**Git&nbsp;Operations**,<br>**API&nbsp;Requests (for Service Features only)**,<br>**Webhooks**,<br>**Pages** | (total minutes in a calendar quarter - Downtime) / total minutes in a calendar quarter | “**Downtime**” is a period of time where either (a) the error rate exceeds five percent (5%) in a given minute for any Service Feature or (b) the Service was unavailable as determined by a combination of GitHub's internal and external monitoring systems. | A Service Credits claim may be based on either (not both) of the following calculations: <ul><li>10% of the amount Customer paid for a Service Feature in a calendar quarter where the Uptime for that Service Feature was less than or equal to 99.9%, but greater than 99.0%. <BR><BR>OR <BR><BR></li><li>25% of the amount Customer paid for a Service Feature in a calendar quarter where the Uptime of that Service Feature was less than 99.0%.</li></ul> | |
 | **Actions** | (Total Triggered Executions – Unavailable Executions) / (Total Triggered Executions) x 100 | “**Total Triggered Executions**” is the total number of all Actions executions triggered by Customer in a calendar quarter. <br><br> “**Unavailable Executions**” is the total number of executions within Total Triggered Executions which failed to run in a calendar quarter.  An execution failed to run when the Actions history log did not capture any output five (5) minutes after the trigger was successfully fired. | Same as above | 
 | **Packages** | Transfers Uptime = same as Actions <br> <br> Storage Uptime = 100% - Average Error Rate* <br> <br> *The Uptime Calculation excludes public usage and storage transactions that do not count toward either Total Storage Transactions or Failed Storage Transactions (including pre-authentication failures; authentication failures; attempted transactions for storage accounts over their prescribed quotas). | “**Error Rate**” is the total number of Failed Storage Transactions divided by the Total Storage Transactions during a set time interval (currently set at one hour). If the Total Storage Transactions in a given one-hour interval is zero, the error rate for that interval is 0%. <br><br> “**Average Error Rate**” is the sum of Error Rates for each hour in a calendar quarter divided by the total number of hours in a calendar quarter. | Same as above |