Add new upload ping to DisableTelemetry docs

diff --git a/docs/index.md b/docs/index.md
index 6f3c761a98741fd3be4642891b72ab2c1c56ffff..716d7a0e7337f6d66e14eb84c6f5c7987d2d1c9f 100644 (file)
--- a/docs/index.md
+++ b/docs/index.md
@@ -2546,7 +2546,7 @@ Mozilla recommends that you do not disable telemetry. Information collected thro
 
 **Compatibility:** Firefox 60, Firefox ESR 60\
 **CCK2 Equivalent:** `disableTelemetry`\
-**Preferences Affected:** `datareporting.healthreport.uploadEnabled`, `datareporting.policy.dataSubmissionEnabled`, `toolkit.telemetry.archive.enabled`
+**Preferences Affected:** `datareporting.healthreport.uploadEnabled`, `datareporting.policy.dataSubmissionEnabled`, `toolkit.telemetry.archive.enabled`, `datareporting.usage.uploadEnabled`
 
 #### Windows (GPO)
 ```