overview: Fix a small typo

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

overview/openharmony-vision.rst

@@ -84,7 +84,7 @@ over time:
   with other devices in the network
 
 - APIs to allow applications to expose business logic as `abilities` that may
-  be integrated into other applications or even used on othe devices in the
+  be integrated into other applications or even used on other devices in the
   network
 
 Framework Layer