README.md: Fix a language typo

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

meta-oniro-core/README.md

@@ -49,4 +49,5 @@ more information on the contributing process, check the `CONRIBUTING.md` file.
 
 # License
 
-This layer is release under the licenses listed in the `LICENSES` root directory.
+This layer is released under the licenses listed in the `LICENSES` root
+directory.