diff --git a/pngread.c b/pngread.c
index 910f1b299..b75dfb299 100644
--- a/pngread.c
+++ b/pngread.c
@@ -1387,6 +1387,12 @@ png_read_png(png_structp png_ptr, png_infop info_ptr,
       png_set_gray_to_rgb(png_ptr);
 #endif
 
+/* Added at libpng-1.5.3 */
+#ifdef PNG_READ_EXPAND_16_SUPPORTED
+   if (transforms & PNG_TRANSFORM_EXPAND_16)
+      png_set_expand_16(png_ptr);
+#endif
+
    /* We don't handle adding filler bytes */
 
    /* We use png_read_image and rely on that for interlace handling, but we also
diff --git a/pngrtran.c b/pngrtran.c
index 52c44cac4..cdf84cedb 100644
--- a/pngrtran.c
+++ b/pngrtran.c
@@ -187,7 +187,7 @@ png_set_alpha_mode_fixed(png_structp png_ptr, int mode,
       output_gamma = PNG_GAMMA_sRGB;
    }
 
-   /* Else validate the value to ensure it is in a reasonable range, the value
+   /* Else validate the value to ensure it is in a reasonable range. The value
     * is expected to be 1 or greater, but this range test allows for some
     * viewing correction values.  The intent is to weed out users of this API
     * who use the inverse of the gamma value accidentally!  Since some of these