1 files changed, 1 insertions, 1 deletions
diff --git a/complex.c b/complex.c
index bebce43df9..6b14ae6907 100644
--- a/complex.c
+++ b/complex.c
@@ -2167,7 +2167,7 @@ Init_Complex(void)
     rb_define_method(rb_cComplex, "inspect", nucomp_inspect, 0);
 
     rb_define_private_method(rb_cComplex, "marshal_dump", nucomp_marshal_dump, 0);
-    compat = rb_define_class_under(rb_cComplex, "compatible", rb_cObject);
+    compat = rb_define_class_under(rb_cComplex, "compatible", rb_cObject); /* :nodoc: */
     rb_define_private_method(compat, "marshal_load", nucomp_marshal_load, 1);
     rb_marshal_define_compat(rb_cComplex, compat, nucomp_dumper, nucomp_loader);