Update email.go

Updated documentation

email.go

@@ -1,4 +1,4 @@
-//Email is designed to be a package providing an "email interface for humans."
+//Package email is designed to be a package providing an "email interface for humans."
 //Designed to be robust and flexible, the email package aims to make sending email easy without getting in the way.
 package email
 
@@ -35,9 +35,9 @@ func NewEmail() *Email {
 }
 
 //Attach is used to attach a file to the email.
-//It attempts to open the file reference by filename and, if successful, creates an Attachment.
+//It attempts to open the file referenced by filename and, if successful, creates an Attachment.
 //This Attachment is then appended to the slice of Email.Attachments.
-//The function will then return the Attachment for reference, as well as nil for the error if successful.
+//The function will then return the Attachment for reference, as well as nil for the error, if successful.
 func (e *Email) Attach(filename string) (a *Attachment, err error) {
 	//Check if the file exists, return any error
 	if _, err := os.Stat(filename); os.IsNotExist(err) {
@@ -63,7 +63,7 @@ func (e *Email) Attach(filename string) (a *Attachment, err error) {
 	return e.Attachments[filename], nil
 }
 
-//Bytes converts the Email object to a []byte representation of it, including all needed MIMEHeaders, boundaries, etc.
+//Bytes converts the Email object to a []byte representation, including all needed MIMEHeaders, boundaries, etc.
 func (e *Email) Bytes() []byte {
 	buff := bytes.Buffer{}
 	//w := multipart.NewWriter(&buff)