Merge pull request #135 from konradzagozda/134-fix-oauth2-example

fix security.md OAuth 2.0 example

Author: lornajane

specification/security.md

@@ -159,6 +159,7 @@ components:
       flows:
         clientCredentials:
           tokenUrl: https://learn.openapis.org/oauth/2.0/token
+          scopes:
             # Only reading the board allow with delegated access
             board:read: Read the board
     user2AppOauth: