Update telemetry.md

Corrected "Whether"

docs/telemetry.md

@@ -8,7 +8,7 @@ Fenix creates and tries to send a "baseline" ping when the app goes to the backg
 
 ## Metrics ping
 
-Fenix creates and tries to send a "baseline" ping. It is defined inside the [`metrics.yaml`](https://github.com/mozilla-mobile/fenix/blob/master/app/metrics.yaml) file. This ping includes things like wether or not Fenix is currently the default browser.
+Fenix creates and tries to send a "baseline" ping. It is defined inside the [`metrics.yaml`](https://github.com/mozilla-mobile/fenix/blob/master/app/metrics.yaml) file. This ping includes things like whether or not Fenix is currently the default browser.
 
 ## Events
 
@@ -19,4 +19,4 @@ Fenix sends event pings that allows us to measure feature performance. These are
 Fenix sends an activation ping once, at startup. Further documentation can be found in the [`activation` ping](activation.md) docs.
 
 ## Leanplum
-See [here](https://github.com/mozilla-mobile/fenix/blob/master/docs/mma.md) for details on Leanplum usage in Firefox Preview.
+See [here](https://github.com/mozilla-mobile/fenix/blob/master/docs/mma.md) for details on Leanplum usage in Firefox Preview.