diff --git a/main.go b/main.go
index 17070e2..9ee6098 100644
--- a/main.go
+++ b/main.go
@@ -19,7 +19,7 @@ import (
 
 const crlf = "\r\n"
 
-var ErrMissingRecipient = errors.New("No recipient specified. At one To, Cc, or Bcc recipient is required.")
+var ErrMissingRecipient = errors.New("No recipient specified. At least one To, Cc, or Bcc recipient is required.")
 var ErrMissingFromAddress = errors.New("No from address specified.")
 
 // A Message represents an email message.
diff --git a/main_test.go b/main_test.go
index 8e728b7..57289c2 100644
--- a/main_test.go
+++ b/main_test.go
@@ -10,7 +10,7 @@ import (
 
 func simpleMessage() *Message {
 	m := &Message{}
-	m.SetFrom("Doman Sender <sender@domain.com>")
+	m.SetFrom("Domain Sender <sender@domain.com>")
 	m.AddTo("First person <to_1@domain.com>")
 	m.Subject = "My Subject"
 	m.Body = "My Plain Text Body"
@@ -20,7 +20,7 @@ func simpleMessage() *Message {
 
 func Test_Bytes(t *testing.T) {
 	m := &Message{}
-	m.SetFrom("Doman Sender <sender@domain.com>")
+	m.SetFrom("Domain Sender <sender@domain.com>")
 	m.SetReplyTo("Don't reply <noreply@domain.com>")
 	m.AddTo("First person <to_1@domain.com>")
 	m.AddTo("to_2@domain.com")