Ensure all error messages are not capitalized.

bind/bind.go

@@ -67,7 +67,7 @@ func listenTo(bind string) (net.Listener, error) {
 	} else if strings.HasPrefix(bind, "fd@") {
 		fd, err := strconv.Atoi(bind[3:])
 		if err != nil {
-			return nil, fmt.Errorf("Error while parsing fd %v: %v",
+			return nil, fmt.Errorf("error while parsing fd %v: %v",
 				bind, err)
 		}
 		f := os.NewFile(uintptr(fd), bind)
@@ -76,16 +76,17 @@ func listenTo(bind string) (net.Listener, error) {
 		fd, err := strconv.Atoi(bind[8:])
 		if err != nil {
 			return nil, fmt.Errorf(
-				"Error while parsing einhorn %v: %v", bind, err)
+				"error while parsing einhorn %v: %v", bind, err)
 		}
 		return einhornBind(fd)
 	}
 
-	return nil, fmt.Errorf("Error while parsing bind arg %v", bind)
+	return nil, fmt.Errorf("error while parsing bind arg %v", bind)
 }
 
-// Parse and bind to the specified address. If Socket encounters an error while
-// parsing or binding to the given socket it will exit by calling log.Fatal.
+// Socket parses and binds to the specified address. If Socket encounters an
+// error while parsing or binding to the given socket it will exit by calling
+// log.Fatal.
 func Socket(bind string) net.Listener {
 	l, err := listenTo(bind)
 	if err != nil {