diff --git a/docs/manual/mod/mod_lua.xml b/docs/manual/mod/mod_lua.xml
index 4d30ced7a9..b877335e04 100644
--- a/docs/manual/mod/mod_lua.xml
+++ b/docs/manual/mod/mod_lua.xml
@@ -643,9 +643,9 @@ end
 </highlight>
 
 <highlight language="lua">
-r:addoutputfilter(name|function) -- add an output filter:
+r:add_output_filter(filter_name) -- add an output filter:
 
-r:addoutputfilter("fooFilter") -- add the fooFilter to the output stream
+r:add_output_filter("fooFilter") -- add the fooFilter to the output stream
 </highlight>
 
 <highlight language="lua">
diff --git a/modules/lua/lua_request.c b/modules/lua/lua_request.c
index 7a901fd7ff..8503105014 100644
--- a/modules/lua/lua_request.c
+++ b/modules/lua/lua_request.c
@@ -490,7 +490,7 @@ static int req_write(lua_State *L)
     return 1;
 }
 
-/* r:addoutputfilter(name|function) */
+/* r:add_output_filter(name) */
 static int req_add_output_filter(lua_State *L)
 {
     request_rec *r = ap_lua_check_request_rec(L, 1);