Update using-dex.md
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		@@ -19,7 +19,7 @@ Apps that directly use dex to authenticate a user use OAuth2 code flows to reque
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* User visits client app.
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* Client app redirects user to dex with an OAuth2 request.
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* Dex determines user's identity.
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* Dex redirects user to dex with a code.
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* Dex redirects user to client with a code.
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* Client exchanges code with dex for an id_token.
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![][dex-flow]
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