Small typo fix

Author: sarahrudy

src/connections/spec/native-mobile-spec.md

@@ -32,7 +32,7 @@ When the application is foregrounded on the phone, our SDK will be called and em
 
 This feature is opted out by default. You have to opt in to collect these events as mentioned in our Quick Start guides ([iOS](https://segment.com/docs/connections/sources/catalog/libraries/mobile/ios/quickstart/), [Android](https://segment.com/docs/connections/sources/catalog/libraries/mobile/android/quickstart/)). You'll be doing this in code by altering the configuration you pass into the SDK initialization methods (telling the SDK to collect these events automatically).
 
-### What happens if I' already tracking these events? Will they be double counted?
+### What happens if I'm already tracking these events? Will they be double counted?
 
 Yes, they will be double counted, but that's only if you opt into this feature. You can either remove your own tracking code for these events or not opt into auto collectionat all.