Fix grammatical issues in notifications.md and secure-dapp.md (#1750)

* Update notifications.md

* Update secure-dapp.md

Author: rnkrtt

snaps/features/notifications.md

@@ -31,7 +31,7 @@ display the notification in the user's OS.
 :::note
 We recommend using `type: "inApp"` because there's no guarantee that native notifications are
 displayed to the user.
-You can also call `snap_notify` twice, which each notification type, to trigger both an in-app and
+You can also call `snap_notify` twice, with each notification type, to trigger both an in-app and
 native notification.
 :::
 

wallet/how-to/secure-dapp.md

@@ -14,7 +14,7 @@ The following security advice isn't exhaustive.
 
 ## Use HTTPS
 
-HTTPS can protect your dapp against attackers who might try to eavesdrop or tamper the communication
+HTTPS can protect your dapp against attackers who might try to eavesdrop or tamper with the communication
 channel between your dapp and your users.
 HTTPS encrypts data transmitted between the web server and the user's browser, making it
 difficult for attackers to intercept or modify the data.