#1492: allow overriding BaseHTTPServer's content type for error messages.
diff --git a/Doc/library/basehttpserver.rst b/Doc/library/basehttpserver.rst
index 2e8d6a3..0f058a1 100644
--- a/Doc/library/basehttpserver.rst
+++ b/Doc/library/basehttpserver.rst
@@ -122,6 +122,15 @@
class variable.
+.. attribute:: BaseHTTPRequestHandler.error_content_type
+
+ Specifies the Content-Type HTTP header of error responses sent to the client.
+ The default value is ``'text/html'``.
+
+ .. versionadded:: 2.6
+ Previously, the content type was always ``'text/html'``.
+
+
.. attribute:: BaseHTTPRequestHandler.protocol_version
This specifies the HTTP protocol version used in responses. If set to