diff --git a/doc/100_references.rst b/doc/100_references.rst
index 44dcc6673..be22defa0 100644
--- a/doc/100_references.rst
+++ b/doc/100_references.rst
@@ -672,8 +672,8 @@ The following values are valid for ``{type}``:
 The API version is selected via the ``Accept`` HTTP header in the request. The
 following values are defined:
 
- * ``application/vnd.x.restic.rest.v1+json`` or empty: Select API version 1
- * ``application/vnd.x.restic.rest.v2+json``: Select API version 2
+ * ``application/vnd.x.restic.rest.v1`` or empty: Select API version 1
+ * ``application/vnd.x.restic.rest.v2``: Select API version 2
 
 The server will respond with the value of the highest version it supports in
 the ``Content-Type`` HTTP response header for the HTTP requests which should