More Doxygen happiness

Author: PaintYourDragon

Adafruit_SPITFT.cpp

@@ -1256,7 +1256,7 @@ void Adafruit_SPITFT::drawFastHLine(int16_t x, int16_t y, int16_t w,
             level variant). Edge clipping and rejection is performed here.
     @param  x      Horizontal position of first point.
     @param  y      Vertical position of first point.
-    @param  w      Line height in pixels (positive = below first point,
+    @param  h      Line height in pixels (positive = below first point,
                    negative = above first point).
     @param  color  16-bit line color in '565' RGB format.
     @note   This repeats the writeFastVLine() function almost in its

Adafruit_SPITFT.h

@@ -443,7 +443,7 @@ class Adafruit_SPITFT : public Adafruit_GFX {
         bool      wide = 0;        ///< If true, is 16-bit interface
       } tft8;                      ///< Parallel interface settings
 #if !defined(ARDUINO_STM32_FEATHER)
-    };
+    };                             ///< Only one interface is active
 #endif
 #if defined(USE_SPI_DMA) // Used by hardware SPI and tft8
     Adafruit_ZeroDMA dma;                  ///< DMA instance