Fix of small typos

client.go

@@ -393,7 +393,7 @@ func (c *client) attemptConnection() (net.Conn, byte, bool, error) {
 			tlsCfg = c.options.OnConnectAttempt(broker, c.options.TLSConfig)
 		}
 		// Start by opening the network connection (tcp, tls, ws) etc
-		if c.options.CustomOpenConnectionFn != nil{
+		if c.options.CustomOpenConnectionFn != nil {
 			conn, err = c.options.CustomOpenConnectionFn(broker, c.options)
 		} else {
 			conn, err = openConnection(broker, tlsCfg, c.options.ConnectTimeout, c.options.HTTPHeaders, c.options.WebsocketOptions, c.options.Dialer)

client_test.go

@@ -27,7 +27,7 @@ import (
 )
 
 func TestCustomConnectionFunction(t *testing.T) {
-	// Set netpipe to emu
+	// Set netpipe to emulate a connection of a different type
 	netClient, netServer := net.Pipe()
 	defer netClient.Close()
 	defer netServer.Close()
@@ -59,6 +59,6 @@ func TestCustomConnectionFunction(t *testing.T) {
 
 	// Analyze first message sent by client and received by the server
 	if len(firstMessage) <= 0 || !strings.Contains(firstMessage, "MQTT") {
-		t.Error("no message recieved on connect")
+		t.Error("no message received on connect")
 	}
 }

options.go

@@ -437,12 +437,12 @@ func (o *ClientOptions) SetDialer(dialer *net.Dialer) *ClientOptions {
 	return o
 }
 
-// SetCustomOpenConectionFn replaces the inbuilt function that establishes a network connection with a custom function.
+// SetCustomOpenConnectionFn replaces the inbuilt function that establishes a network connection with a custom function.
 // The passed in function should return an open `net.Conn` or an error (see the existing openConnection function for an example)
 // It enables custom networking types in addition to the defaults (tcp, tls, websockets...)
-func (o *ClientOptions) SetCustomOpenConectionFn(customOpenConnectionfn OpenConnectionFunc) *ClientOptions {
-	if customOpenConnectionfn != nil {
-		o.CustomOpenConnectionFn = customOpenConnectionfn
+func (o *ClientOptions) SetCustomOpenConnectionFn(customOpenConnectionFn OpenConnectionFunc) *ClientOptions {
+	if customOpenConnectionFn != nil {
+		o.CustomOpenConnectionFn = customOpenConnectionFn
 	}
 	return o
 }

options_test.go

@@ -32,7 +32,7 @@ func TestSetCustomConnectionOptions(t *testing.T) {
 		return nil, fmt.Errorf("not implemented open connection func")
 	}
 	options := &ClientOptions{}
-	options = options.SetCustomOpenConectionFn(customConnectionFunc)
+	options = options.SetCustomOpenConnectionFn(customConnectionFunc)
 	if options.CustomOpenConnectionFn == nil {
 		t.Error("custom open connection function cannot be set")
 	}