diff --git a/libsoup/soup-message.c b/libsoup/soup-message.c
index 56f202f..6b2bacb 100644
--- a/libsoup/soup-message.c
+++ b/libsoup/soup-message.c
@@ -1419,7 +1419,7 @@ soup_message_cleanup_response (SoupMessage *req)
  * indicate that it has removed the Content-Encoding on a message (and
  * so headers such as Content-Length may no longer accurately describe
  * the body).
- * @SOUP_MESSAGE_CERTIFICATE_TRUSTED: if %TRUE after an https response
+ * @SOUP_MESSAGE_CERTIFICATE_TRUSTED: if set after an https response
  * has been received, indicates that the server's SSL certificate is
  * trusted according to the session's CA.
  *