docs: fix typo in session docs (#40138)

Fix typos for doc

Signed-off-by: zhangdiandian <1635468471@qq.com>

docs/api/session.md

@@ -1050,7 +1050,7 @@ To clear the handler, call `setDevicePermissionHandler(null)`.
 This handler can be used to provide default permissioning to devices without first calling for permission
 to devices (eg via `navigator.hid.requestDevice`).  If this handler is not defined, the default device
 permissions as granted through device selection (eg via `navigator.hid.requestDevice`) will be used.
-Additionally, the default behavior of Electron is to store granted device permision in memory.
+Additionally, the default behavior of Electron is to store granted device permission in memory.
 If longer term storage is needed, a developer can store granted device
 permissions (eg when handling the `select-hid-device` event) and then read from that storage with `setDevicePermissionHandler`.