fix typo / improve documentatation

models/models.go

@@ -1,20 +1,20 @@
 // Provides high-level public data models used for communication mainly with mobile clients
 package models
 
-//EncryptedSplit when encrypt attachemt
+// EncryptedSplit when encrypt attachment
 type EncryptedSplit struct {
 	DataPacket []byte
 	KeyPacket  []byte
 	Algo       string
 }
 
-//EncryptedSigned encrypt_sign_package
+// EncryptedSigned encrypt_sign_package
 type EncryptedSigned struct {
 	Encrypted string
 	Signature string
 }
 
-//DecryptSignedVerify decrypt_sign_verify
+// DecryptSignedVerify decrypt_sign_verify
 type DecryptSignedVerify struct {
 	//clear text
 	Plaintext string