README.md, jquant2.c: Use gender-neutral pronouns

Closes #444
diff --git a/README.md b/README.md
index e7ff743..c88d3f5 100644
--- a/README.md
+++ b/README.md
@@ -179,8 +179,8 @@
 
 NOTE:  As of this writing, extensive research has been conducted into the
 usefulness of DCT scaling as a means of data reduction and SmartScale as a
-means of quality improvement.  The reader is invited to peruse the research at
-<http://www.libjpeg-turbo.org/About/SmartScale> and draw his/her own conclusions,
+means of quality improvement.  Readers are invited to peruse the research at
+<http://www.libjpeg-turbo.org/About/SmartScale> and draw their own conclusions,
 but it is the general belief of our project that these features have not
 demonstrated sufficient usefulness to justify inclusion in libjpeg-turbo.
 
diff --git a/jquant2.c b/jquant2.c
index 0ce0ca5..6570613 100644
--- a/jquant2.c
+++ b/jquant2.c
@@ -4,7 +4,7 @@
  * This file was part of the Independent JPEG Group's software:
  * Copyright (C) 1991-1996, Thomas G. Lane.
  * libjpeg-turbo Modifications:
- * Copyright (C) 2009, 2014-2015, D. R. Commander.
+ * Copyright (C) 2009, 2014-2015, 2020, D. R. Commander.
  * For conditions of distribution and use, see the accompanying README.ijg
  * file.
  *
@@ -1145,7 +1145,7 @@
   int i;
 
   /* Only F-S dithering or no dithering is supported. */
-  /* If user asks for ordered dither, give him F-S. */
+  /* If user asks for ordered dither, give them F-S. */
   if (cinfo->dither_mode != JDITHER_NONE)
     cinfo->dither_mode = JDITHER_FS;
 
@@ -1263,7 +1263,7 @@
     cquantize->sv_colormap = NULL;
 
   /* Only F-S dithering or no dithering is supported. */
-  /* If user asks for ordered dither, give him F-S. */
+  /* If user asks for ordered dither, give them F-S. */
   if (cinfo->dither_mode != JDITHER_NONE)
     cinfo->dither_mode = JDITHER_FS;