diff --git a/bcm283x/doc.go b/bcm283x/doc.go
index d7ff34a..51453cf 100644
--- a/bcm283x/doc.go
+++ b/bcm283x/doc.go
@@ -15,9 +15,9 @@
 // Aliases for GPCLK0, GPCLK1, GPCLK2 are created for corresponding CLKn pins.
 // Same for PWM0_OUT and PWM1_OUT, which point respectively to PWM0 and PWM1.
 //
-// For multi-pin IO, you should prefer using the /host/gpioioctl/GPIOChip.LineSet() 
+// For multi-pin IO, you should prefer using the /host/gpioioctl/GPIOChip.LineSet()
 // functionality. It's chipset agnostic because it uses the ioctl interfaces,
-// and it offers multi-pin WaitForEdge().                                                                                 
+// and it offers multi-pin WaitForEdge().
 //
 // # Datasheet
 //
diff --git a/bcm283x/gpio.go b/bcm283x/gpio.go
index 84ed6e8..04e0992 100644
--- a/bcm283x/gpio.go
+++ b/bcm283x/gpio.go
@@ -1332,7 +1332,7 @@ func (d *driverGPIO) Init() (bool, error) {
 		return false, errors.New("bcm283x CPU not detected")
 	}
 	if len(gpioioctl.Chips) == 0 {
-		return false, errors.New("gpioioctl not initialized.")
+		return false, errors.New("gpioioctl not initialized")
 	}
 	// It's kind of messy, some report bcm283x while others show bcm27xx.
 	// Let's play safe here.