Update source/sdk/react-native/app-services/call-a-function.txt

Co-authored-by: Chris Bush <[email protected]>

Author: mongodben

source/sdk/react-native/app-services/call-a-function.txt

@@ -40,7 +40,7 @@ Call a Function
 
 To call a function, you can either pass its name and arguments to
 :js-sdk:`User.callFunction() <Realm.User.html#functions>` or call the function
-as if it was a method on the :js-sdk:`User.functions <Realm.User.html#functions>` property.
+as if it were a method on the :js-sdk:`User.functions <Realm.User.html#functions>` property.
 
 .. literalinclude:: /examples/generated/react-native/ts/atlas-functions.test.snippet.call-function.tsx
   :language: typescript