diff --git a/Adafruit_GrayOLED.cpp b/Adafruit_GrayOLED.cpp
index 3676682..f487861 100644
--- a/Adafruit_GrayOLED.cpp
+++ b/Adafruit_GrayOLED.cpp
@@ -60,10 +60,9 @@
     @note   Call the object's begin() function before use -- buffer
             allocation is performed there!
 */
-Adafruit_GrayOLED::Adafruit_GrayOLED(uint8_t bpp, 
-                                     uint16_t w, uint16_t h, TwoWire *twi,
-                                     int8_t rst_pin, uint32_t clkDuring,
-                                     uint32_t clkAfter)
+Adafruit_GrayOLED::Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h,
+                                     TwoWire *twi, int8_t rst_pin,
+                                     uint32_t clkDuring, uint32_t clkAfter)
     : Adafruit_GFX(w, h), i2c_preclk(clkDuring), i2c_postclk(clkAfter),
       buffer(NULL), dcPin(-1), csPin(-1), rstPin(rst_pin), _bpp(bpp) {
   i2c_dev = NULL;
@@ -97,12 +96,12 @@ Adafruit_GrayOLED::Adafruit_GrayOLED(uint8_t bpp,
     @note   Call the object's begin() function before use -- buffer
             allocation is performed there!
 */
-Adafruit_GrayOLED::Adafruit_GrayOLED(uint8_t bpp, 
-                                     uint16_t w, uint16_t h, int8_t mosi_pin,
-                                     int8_t sclk_pin, int8_t dc_pin,
-                                     int8_t rst_pin, int8_t cs_pin)
-  : Adafruit_GFX(w, h), dcPin(dc_pin), csPin(cs_pin), rstPin(rst_pin),
-    _bpp(bpp) {
+Adafruit_GrayOLED::Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h,
+                                     int8_t mosi_pin, int8_t sclk_pin,
+                                     int8_t dc_pin, int8_t rst_pin,
+                                     int8_t cs_pin)
+    : Adafruit_GFX(w, h), dcPin(dc_pin), csPin(cs_pin), rstPin(rst_pin),
+      _bpp(bpp) {
 
   spi_dev = new Adafruit_SPIDevice(cs_pin, sclk_pin, -1, mosi_pin, 1000000);
 }
@@ -133,12 +132,12 @@ Adafruit_GrayOLED::Adafruit_GrayOLED(uint8_t bpp,
     @note   Call the object's begin() function before use -- buffer
             allocation is performed there!
 */
-Adafruit_GrayOLED::Adafruit_GrayOLED(uint8_t bpp, 
-                                     uint16_t w, uint16_t h, SPIClass *spi,
-                                     int8_t dc_pin, int8_t rst_pin,
-                                     int8_t cs_pin, uint32_t bitrate)
-  : Adafruit_GFX(w, h), dcPin(dc_pin), csPin(cs_pin), rstPin(rst_pin),
-    _bpp(bpp) {
+Adafruit_GrayOLED::Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h,
+                                     SPIClass *spi, int8_t dc_pin,
+                                     int8_t rst_pin, int8_t cs_pin,
+                                     uint32_t bitrate)
+    : Adafruit_GFX(w, h), dcPin(dc_pin), csPin(cs_pin), rstPin(rst_pin),
+      _bpp(bpp) {
 
   spi_dev = new Adafruit_SPIDevice(cs_pin, bitrate, SPI_BITORDER_MSBFIRST,
                                    SPI_MODE0, spi);
@@ -224,7 +223,8 @@ bool Adafruit_GrayOLED::oled_commandList(const uint8_t *c, uint8_t n) {
 bool Adafruit_GrayOLED::_init(uint8_t addr, bool reset) {
 
   // attempt to malloc the bitmap framebuffer
-  if ((!buffer) && !(buffer = (uint8_t *)malloc(_bpp * WIDTH * ((HEIGHT + 7) / 8)))) {
+  if ((!buffer) &&
+      !(buffer = (uint8_t *)malloc(_bpp * WIDTH * ((HEIGHT + 7) / 8)))) {
     return false;
   }
 
@@ -319,8 +319,8 @@ void Adafruit_GrayOLED::drawPixel(int16_t x, int16_t y, uint16_t color) {
       }
     }
     if (_bpp == 4) {
-      uint8_t *pixelptr = &buffer[x/2 + (y * WIDTH / 2)];
-      //Serial.printf("(%d, %d) -> offset %d\n", x, y, x/2 + (y * WIDTH / 2));
+      uint8_t *pixelptr = &buffer[x / 2 + (y * WIDTH / 2)];
+      // Serial.printf("(%d, %d) -> offset %d\n", x, y, x/2 + (y * WIDTH / 2));
       if (x % 2 == 0) { // even, left nibble
         uint8_t t = pixelptr[0] & 0x0F;
         t |= (color & 0xF) << 4;
diff --git a/Adafruit_GrayOLED.h b/Adafruit_GrayOLED.h
index 84f12fb..2db5969 100644
--- a/Adafruit_GrayOLED.h
+++ b/Adafruit_GrayOLED.h
@@ -49,10 +49,11 @@ public:
   Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h, TwoWire *twi = &Wire,
                     int8_t rst_pin = -1, uint32_t preclk = 400000,
                     uint32_t postclk = 100000);
-  Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h, int8_t mosi_pin, int8_t sclk_pin,
-                    int8_t dc_pin, int8_t rst_pin, int8_t cs_pin);
-  Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h, SPIClass *spi, int8_t dc_pin,
-                    int8_t rst_pin, int8_t cs_pin,
+  Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h, int8_t mosi_pin,
+                    int8_t sclk_pin, int8_t dc_pin, int8_t rst_pin,
+                    int8_t cs_pin);
+  Adafruit_GrayOLED(uint8_t bpp, uint16_t w, uint16_t h, SPIClass *spi,
+                    int8_t dc_pin, int8_t rst_pin, int8_t cs_pin,
                     uint32_t bitrate = 8000000UL);
 
   ~Adafruit_GrayOLED(void);
@@ -90,7 +91,7 @@ protected:
       csPin,  ///< The Arduino pin connected to CS (for SPI)
       rstPin; ///< The Arduino pin connected to reset (-1 if unused)
 
-    uint8_t _bpp = 1; ///< Bits per pixel color for this display
+  uint8_t _bpp = 1; ///< Bits per pixel color for this display
 private:
   TwoWire *_theWire = NULL; ///< The underlying hardware I2C
 };