Update v2-oauth2-auth-code-flow.md

Correction of the scope parameter

Author: RudySchockaert-EngieIT

articles/active-directory/develop/v2-oauth2-auth-code-flow.md

@@ -72,7 +72,7 @@ client_id=6731de76-14a6-49ae-97bc-6eba6914391e
 &response_type=code
 &redirect_uri=http%3A%2F%2Flocalhost%2Fmyapp%2F
 &response_mode=query
-&scope=https%3A%2F%2Fgraph.microsoft.com%2Fmail.read%20api%3A%2F%2F
+&scope=https%3A%2F%2Fgraph.microsoft.com%2Fmail.read
 &state=12345
 &code_challenge=YTFjNjI1OWYzMzA3MTI4ZDY2Njg5M2RkNmVjNDE5YmEyZGRhOGYyM2IzNjdmZWFhMTQ1ODg3NDcxY2Nl
 &code_challenge_method=S256