[devel] Consistently use "n-bit", not "n bit" in comments.
diff --git a/pngrtran.c b/pngrtran.c
index 03eada2..35f5719 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -133,7 +133,7 @@
#endif /* READ_BACKGROUND */
#ifdef PNG_READ_16_TO_8_SUPPORTED
-/* Strip 16 bit depth files to 8 bit depth */
+/* Strip 16-bit depth files to 8-bit depth */
void PNGAPI
png_set_strip_16(png_structp png_ptr)
{
@@ -342,7 +342,7 @@
#endif
#ifdef PNG_READ_QUANTIZE_SUPPORTED
-/* Dither file to 8 bit. Supply a palette, the current number
+/* Dither file to 8-bit. Supply a palette, the current number
* of elements in the palette, the maximum number of elements
* allowed, and a histogram if possible. If the current number
* of colors is greater then the maximum number, the palette will be
@@ -872,7 +872,7 @@
#endif /* defined(PNG_READ_EXPAND_SUPPORTED) */
#ifdef PNG_READ_EXPAND_16_SUPPORTED
-/* Expand to 16 bit channels, expand the tRNS chunk too (because otherwise
+/* Expand to 16-bit channels, expand the tRNS chunk too (because otherwise
* it may not work correctly.)
*/
void PNGAPI
