diff --git a/Adafruit_SPIDevice.cpp b/Adafruit_SPIDevice.cpp
index 5e554bd..52425ed 100644
--- a/Adafruit_SPIDevice.cpp
+++ b/Adafruit_SPIDevice.cpp
@@ -116,8 +116,9 @@ void Adafruit_SPIDevice::transfer(uint8_t *buffer, size_t len) {
 #ifdef SPARK
     _spi->transfer(buffer, buffer, len, NULL);
 #else
-    for(size_t i = 0; i < len; i++ )
+    for (size_t i = 0; i < len; i++) {
       _spi->transfer(buffer[i]);
+    }
 #endif
 
     return;