diff --git a/doc/conf/modules.default.conf b/doc/conf/modules.default.conf
index 706180280..7c1197c11 100644
--- a/doc/conf/modules.default.conf
+++ b/doc/conf/modules.default.conf
@@ -181,6 +181,9 @@ loadmodule "extbans/operclass"; /* +b ~O (ban/exempt by operclass) */
 loadmodule "extbans/certfp"; /* +b ~S (ban/exempt by certfp) */
 
 
+/*** CAP modules ***/
+loadmodule "cap/sts"; /* strict transport policy (set::ssl::sts-policy) */
+
 /*** Other ***/
 // These are modules that don't fit in any of the previous sections