diff --git a/container/service.go b/container/service.go
index 527377a..27f39e7 100644
--- a/container/service.go
+++ b/container/service.go
@@ -15,7 +15,7 @@ type (
 	UUID = refs.UUID
 	// OwnerID type alias.
 	OwnerID = refs.OwnerID
-	// OwnerID type alias.
+	// MessageID type alias.
 	MessageID = refs.MessageID
 )
 
diff --git a/container/types.go b/container/types.go
index 1ffcafe..9269f30 100644
--- a/container/types.go
+++ b/container/types.go
@@ -68,8 +68,8 @@ func (m *Container) Empty() bool {
 }
 
 // -- Test container definition -- //
+
 // NewTestContainer returns test container.
-//
 // WARNING: DON'T USE THIS OUTSIDE TESTS.
 func NewTestContainer() (*Container, error) {
 	key := test.DecodeKey(0)
diff --git a/session/types.go b/session/types.go
index ceb2944..aff7cca 100644
--- a/session/types.go
+++ b/session/types.go
@@ -124,7 +124,7 @@ func (m *Token) Verify(keys ...*ecdsa.PublicKey) bool {
 	return false
 }
 
-// Sign adds token signatures.
+// AddSignatures adds token signatures.
 func (t *PToken) AddSignatures(signH, signT []byte) {
 	t.mtx.Lock()
 
@@ -139,8 +139,7 @@ func (t *PToken) SignData(data []byte) ([]byte, error) {
 	return crypto.Sign(t.PrivateKey, data)
 }
 
-// VerifyData checks if signature of data by token t
-// is equal to sign.
+// VerifyData checks if signature of data by token is equal to sign.
 func (m *VerificationHeader) VerifyData(data, sign []byte) error {
 	if crypto.Verify(crypto.UnmarshalPublicKey(m.PublicKey), data, sign) != nil {
 		return ErrInvalidSignature