diff --git a/include/orm/ormconcepts.hpp b/include/orm/ormconcepts.hpp
index aac5403a6..79d5358d3 100644
--- a/include/orm/ormconcepts.hpp
+++ b/include/orm/ormconcepts.hpp
@@ -31,7 +31,8 @@ namespace Query
     using QueryBuilder = Query::Builder;
 
     /* Don't test for eg. QString and also const QString & in the std::converible_to<>,
-       test only for the QString, it doesn't make sense to test for both. */
+       test only for the QString, it doesn't make sense to test for both.
+       The std::convertible_to<T, Orm::QueryBuilder &> is correct. */
 
     /*! Concept for a queryable parameter. */
     template<typename T>
diff --git a/tom/include/tom/terminal.hpp b/tom/include/tom/terminal.hpp
index cf122204a..52e1046ce 100644
--- a/tom/include/tom/terminal.hpp
+++ b/tom/include/tom/terminal.hpp
@@ -16,6 +16,7 @@ TINYORM_BEGIN_COMMON_NAMESPACE
 
 namespace Tom
 {
+    /* std::w/ostream don't have copy ctor, so need to check for const std::ostream &. */
     /*! Concept for the ostream and wostream. */
     template<typename T>
     concept OStreamConcept = std::convertible_to<T, const std::ostream &> ||