index.rst: Small tweaks

Closes #61

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

index.rst

@@ -16,10 +16,9 @@ distributed operating system as part of an all-scenario strategy initiative,
 adaptable to mobile devices, fitness and health targets, entertainment systems,
 and so on. Unlike a legacy operating system that targets a specific device,
 |main_project_name| will adopt a distributed architecture design based on a set
-of system capabilities. Starting with a set of reference platform, |main_project_name|
-will be flexible enough to target a wide range of devices, including
-smartphones, wearables, tablets, PCs, smart TVs, speakers, head units,
-headphones, and AR/VR glasses.
+of system capabilities. Starting with a set of reference platforms, |main_project_name|
+will be flexible enough to target a wide range of devices that accompany users'
+daily life.
 
 .. toctree::
    :maxdepth: 1