diff --git a/README.md b/README.md
index ea3edd9..fe96cf9 100644
--- a/README.md
+++ b/README.md
@@ -20,6 +20,8 @@ This module is Perl5 binding for Unqlite.
 
 If you want to know more information about Unqlite, see [http://unqlite.org/](http://unqlite.org/).
 
+Current version of Unqlite.pm supports only some `kv_*` methods. Patches welcome.
+
 # METHODS
 
 - `my $db = Unqlite->open('foo.db'[, $mode]);`
diff --git a/lib/Unqlite.pm b/lib/Unqlite.pm
index c444f3e..0990921 100644
--- a/lib/Unqlite.pm
+++ b/lib/Unqlite.pm
@@ -35,6 +35,8 @@ This module is Perl5 binding for Unqlite.
 
 If you want to know more information about Unqlite, see L<http://unqlite.org/>.
 
+Current version of Unqlite.pm supports only some C<kv_*> methods. Patches welcome.
+
 =head1 METHODS
 
 =over 4