diff --git a/README.md b/README.md
index 0ee18cc040..6759a82afa 100644
--- a/README.md
+++ b/README.md
@@ -476,7 +476,7 @@ given user.
           - `https://api.twitter.com/1.1/users/show.json?id=%twitter_immutable_id&include_entities=1`
       - "openstreetmap"—participant's OpenStreetMap account; possible values are:
           - `undefined` (key not present)—no OpenStreetMap account connected
-          - `%OPENSTREETMAP_API/user/%openstreetmap_username`
+          - `http://www.openstreetmap.org/user/%openstreetmap_username`
 
 
 **/`%username`/tips.json**
diff --git a/defaults.env b/defaults.env
index 831575dcd8..19713f5ecb 100644
--- a/defaults.env
+++ b/defaults.env
@@ -50,8 +50,8 @@ VENMO_CALLBACK=http://localhost:8537/on/venmo/associate
 OPENSTREETMAP_CONSUMER_KEY=2pHsNzigNVLXcqa3Vq6QOolb26HL62DtOxw6TT5E
 OPENSTREETMAP_CONSUMER_SECRET=vdNq2XeqNHOPOJ2rOABNbrKUv7GqHRgy7x46Brga
 OPENSTREETMAP_CALLBACK=http://127.0.0.1:8537/on/openstreetmap/associate
-OPENSTREETMAP_API_URL=http://master.apis.dev.openstreetmap.org/api/0.6
-OPENSTREETMAP_AUTH_URL=http://master.apis.dev.openstreetmap.org
+OPENSTREETMAP_API_URL=http://www.openstreetmap.org/api/0.6
+OPENSTREETMAP_AUTH_URL=http://www.openstreetmap.org
 
 NANSWERS_THRESHOLD=2
 
diff --git a/gratipay/elsewhere/twitter.py b/gratipay/elsewhere/twitter.py
index d93777500b..66fb3bc0ef 100644
--- a/gratipay/elsewhere/twitter.py
+++ b/gratipay/elsewhere/twitter.py
@@ -13,6 +13,7 @@ class Twitter(PlatformOAuth1):
 
     # Auth attributes
     auth_url = 'https://api.twitter.com'
+    authorize_path = '/oauth/authenticate'
 
     # API attributes
     api_format = 'json'