diff --git a/pdns/recursordist/docs/lua-config/rpz.rst b/pdns/recursordist/docs/lua-config/rpz.rst
index cd420505f998..34c77e06d08c 100644
--- a/pdns/recursordist/docs/lua-config/rpz.rst
+++ b/pdns/recursordist/docs/lua-config/rpz.rst
@@ -162,7 +162,7 @@ ignoreDuplicates
 ^^^^^^^^^^^^^^^^
 .. versionadded:: 5.0.0
 
-When loading an RPZ, ignore duplicate entries.
+When loading an RPZ, ignore duplicate entries, keeping only the first one present in the zone.
 Defaults to ``false``, duplicate entries will cause failure to load the zone.
 
 maxTTL
diff --git a/pdns/recursordist/test-rpzloader_cc.cc b/pdns/recursordist/test-rpzloader_cc.cc
index 04793abfb11b..ba19c66ba230 100644
--- a/pdns/recursordist/test-rpzloader_cc.cc
+++ b/pdns/recursordist/test-rpzloader_cc.cc
@@ -108,7 +108,6 @@ BOOST_AUTO_TEST_CASE(load_rpz_ok)
   ::arg().set("max-generate-steps") = "1";
   ::arg().set("max-include-depth") = "20";
   auto zone = std::make_shared<DNSFilterEngine::Zone>();
-  cerr << "rpz " << rpz << endl;
   auto soa = loadRPZFromFile(rpz, zone, boost::none, false, 3600);
   unlink(rpz.c_str());