diff --git a/client_119.go b/client_119.go
index 7de5d59..24a0118 100644
--- a/client_119.go
+++ b/client_119.go
@@ -9,7 +9,10 @@ package mail
 
 import "errors"
 
-// Send sends out the mail message
+// Send attempts to send one or more Msg using the Client connection to the SMTP server.
+// If the Client has no active connection to the server, Send will fail with an error. For each of the
+// provided Msg it will associate a SendError to the Msg in case there of a transmission or delivery
+// error.
 func (c *Client) Send(messages ...*Msg) error {
 	if err := c.checkConn(); err != nil {
 		return &SendError{Reason: ErrConnCheck, errlist: []error{err}, isTemp: isTempError(err)}
diff --git a/client_120.go b/client_120.go
index 4f82aa7..c6049eb 100644
--- a/client_120.go
+++ b/client_120.go
@@ -11,7 +11,10 @@ import (
 	"errors"
 )
 
-// Send sends out the mail message
+// Send attempts to send one or more Msg using the Client connection to the SMTP server.
+// If the Client has no active connection to the server, Send will fail with an error. For each of the
+// provided Msg it will associate a SendError to the Msg in case there of a transmission or delivery
+// error.
 func (c *Client) Send(messages ...*Msg) (returnErr error) {
 	if err := c.checkConn(); err != nil {
 		returnErr = &SendError{Reason: ErrConnCheck, errlist: []error{err}, isTemp: isTempError(err)}