[gnome-online-accounts/gnome-3-8: 4/4] facebook: Update README

[Debarshi Ray <debarshir src gnome org>]

commit cb23e849d7e72382b0fdca4d3af4ae68b837ac00
Author: Debarshi Ray <debarshir gnome org>
Date:   Fri Oct 18 11:51:01 2013 +0200

    facebook: Update README
    
    Fixes: https://bugzilla.gnome.org/710363

 README |    7 +++++--
 1 files changed, 5 insertions(+), 2 deletions(-)
---
diff --git a/README b/README
index aac1b26..d8d201a 100644
--- a/README
+++ b/README
@@ -9,8 +9,11 @@ OAuth 2.0: https://developers.facebook.com/docs/authentication/
 Scopes: https://developers.facebook.com/docs/authentication/permissions/
 
 Notes:
-The client-side flow returns the access_token and expires_in in the URI
-fragment, and does not provide a refresh_token.
+The client-side flow returns the access_token and expires_in in the URI's
+fragment, and does not provide a refresh_token. However, if the user denied
+access then the error is returned in the URI's query. The URIs look like this:
+  - <get_redirect_uri>?#access_token=...
+  - <get_redirect_uri>?error=access_denied...#_=_
 
 
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