diff --git a/content/client-server-api/_index.md b/content/client-server-api/_index.md
index cff0db78..8cf8933c 100644
--- a/content/client-server-api/_index.md
+++ b/content/client-server-api/_index.md
@@ -2426,7 +2426,7 @@ device with a web browser.
 This grant requires the client to know the following [authorisation server
 metadata](#server-metadata-discovery):
 
-- `device_authorisation_endpoint`
+- `device_authorization_endpoint`
 
 To use this grant, homeservers and clients MUST:
 
diff --git a/data/schemas/oauth2-client-metadata.yaml b/data/schemas/oauth2-client-metadata.yaml
index e682fde1..c0eccfc1 100644
--- a/data/schemas/oauth2-client-metadata.yaml
+++ b/data/schemas/oauth2-client-metadata.yaml
@@ -111,7 +111,7 @@ properties:
       Array of the OAuth 2.0 grant types that the client may use.
 
       This MUST include:
-      - the `authorisation_code` value to use the authorisation code grant,
+      - the `authorization_code` value to use the authorisation code grant,
       - the `refresh_token` value to use the refresh token grant.
 
       The server MUST ignore values that it does not understand.