fix typo

Signed-off-by: Artemiy Ryabinkov <getlag@ya.ru>

conn.go

@@ -441,7 +441,7 @@ func connect(config ConnConfig, connInfo *pgtype.ConnInfo) (c *Conn, err error)
 		return c, nil
 	}
 
-	// To keep backwards, if specific error type expected.
+	// To keep backwards compatibility, if specific error type expected.
 	if len(errs) == 1 {
 		return nil, errs[0]
 	}

conn_config_test.go.example

@@ -8,6 +8,7 @@ import (
 	// "io/ioutil"
 	// "path"
 	// "net"
+	// "time"
 
 	"github.com/jackc/pgx"
 )

conn_config_test.go.travis

@@ -6,6 +6,7 @@ import (
   "os"
   "strconv"
   "net"
+  "time"
 )
 
 var defaultConnConfig = &pgx.ConnConfig{Host: "127.0.0.1", User: "pgx_md5", Password: "secret", Database: "pgx_test"}