1 files changed, 3 insertions, 3 deletions
diff --git a/lib/Data/MultiValued/Tags.pm b/lib/Data/MultiValued/Tags.pm
index 063a778..2e8f38e 100644
--- a/lib/Data/MultiValued/Tags.pm
+++ b/lib/Data/MultiValued/Tags.pm
@@ -51,7 +51,7 @@ just stored.
 sub set {
     my ($self,%args) = validated_hash(
         \@_,
-        tag => { isa => 'Str', optional => 1, },
+        tag => { isa => 'Maybe[Str]', optional => 1, },
         value => { isa => 'Any', },
     );
 
@@ -78,7 +78,7 @@ untouched.
 sub get {
     my ($self,%args) = validated_hash(
         \@_,
-        tag => { isa => 'Str', optional => 1, },
+        tag => { isa => 'Maybe[Str]', optional => 1, },
     );
 
     $self->_storage->get(\%args)
@@ -100,7 +100,7 @@ is no way to just clear the value for the C<undef> tag.
 sub clear {
     my ($self,%args) = validated_hash(
         \@_,
-        tag => { isa => 'Str', optional => 1, },
+        tag => { isa => 'Maybe[Str]', optional => 1, },
     );
 
     $self->_storage->clear(\%args);