diff --git a/doc/html/annotated.html b/doc/html/annotated.html
index 6ad64d9f..62f6406f 100644
--- a/doc/html/annotated.html
+++ b/doc/html/annotated.html
@@ -81,7 +81,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 </iframe>
 </div>
 
-<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:39:31 for TurboJPEG by&#160;
+<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:53:12 for TurboJPEG by&#160;
 <a href="http://www.doxygen.org/index.html">
 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
 </body>
diff --git a/doc/html/classes.html b/doc/html/classes.html
index 12ff7455..32bb89b7 100644
--- a/doc/html/classes.html
+++ b/doc/html/classes.html
@@ -80,7 +80,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 </iframe>
 </div>
 
-<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:39:31 for TurboJPEG by&#160;
+<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:53:12 for TurboJPEG by&#160;
 <a href="http://www.doxygen.org/index.html">
 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
 </body>
diff --git a/doc/html/functions.html b/doc/html/functions.html
index 48575697..efe3a42b 100644
--- a/doc/html/functions.html
+++ b/doc/html/functions.html
@@ -113,7 +113,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 </iframe>
 </div>
 
-<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:39:31 for TurboJPEG by&#160;
+<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:53:12 for TurboJPEG by&#160;
 <a href="http://www.doxygen.org/index.html">
 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
 </body>
diff --git a/doc/html/functions_vars.html b/doc/html/functions_vars.html
index bdc91696..e8ee49f4 100644
--- a/doc/html/functions_vars.html
+++ b/doc/html/functions_vars.html
@@ -113,7 +113,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 </iframe>
 </div>
 
-<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:39:31 for TurboJPEG by&#160;
+<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:53:12 for TurboJPEG by&#160;
 <a href="http://www.doxygen.org/index.html">
 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
 </body>
diff --git a/doc/html/group___turbo_j_p_e_g.html b/doc/html/group___turbo_j_p_e_g.html
index 3335c08d..3eff54b4 100644
--- a/doc/html/group___turbo_j_p_e_g.html
+++ b/doc/html/group___turbo_j_p_e_g.html
@@ -1234,7 +1234,7 @@ If you choose option 1, <code>*jpegSize</code> should be set to the size of your
 <div class="memdoc">
 
 <p>Encode an RGB or grayscale image into a YUV planar image. </p>
-<p>This function uses the accelerated color conversion routines in TurboJPEG's underlying codec to produce a planar YUV image that is suitable for X Video. Specifically, if the chrominance components are subsampled along the horizontal dimension, then the width of the luminance plane is padded to 2 in the output image (same goes for the height of the luminance plane, if the chrominance components are subsampled along the vertical dimension.) Also, each line of each plane in the output image is padded to 4 bytes. Although this will work with any subsampling option, it is really only useful in combination with TJ_420, which produces an image compatible with the I420 (AKA "YUV420P") format.</p>
+<p>This function uses the accelerated color conversion routines in TurboJPEG's underlying codec to produce a planar YUV image that is suitable for X Video. Specifically, if the chrominance components are subsampled along the horizontal dimension, then the width of the luminance plane is padded to the nearest multiple of 2 in the output image (same goes for the height of the luminance plane, if the chrominance components are subsampled along the vertical dimension.) Also, each line of each plane in the output image is padded to 4 bytes. Although this will work with any subsampling option, it is really only useful in combination with TJ_420, which produces an image compatible with the I420 (AKA "YUV420P") format.</p>
 <dl><dt><b>Parameters:</b></dt><dd>
   <table class="params">
     <tr><td class="paramname">handle</td><td>a handle to a TurboJPEG compressor or transformer instance </td></tr>
@@ -1594,7 +1594,7 @@ If you choose option 1, <code>dstSizes[i]</code> should be set to the size of yo
 </iframe>
 </div>
 
-<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:39:31 for TurboJPEG by&#160;
+<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:53:12 for TurboJPEG by&#160;
 <a href="http://www.doxygen.org/index.html">
 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
 </body>
diff --git a/doc/html/index.html b/doc/html/index.html
index 7c43e583..4de73284 100644
--- a/doc/html/index.html
+++ b/doc/html/index.html
@@ -69,7 +69,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 </iframe>
 </div>
 
-<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:39:31 for TurboJPEG by&#160;
+<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:53:12 for TurboJPEG by&#160;
 <a href="http://www.doxygen.org/index.html">
 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
 </body>
diff --git a/doc/html/modules.html b/doc/html/modules.html
index dbd8ecea..6fe4726a 100644
--- a/doc/html/modules.html
+++ b/doc/html/modules.html
@@ -72,7 +72,7 @@ var searchBox = new SearchBox("searchBox", "search",false,'Search');
 </iframe>
 </div>
 
-<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:39:31 for TurboJPEG by&#160;
+<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:53:12 for TurboJPEG by&#160;
 <a href="http://www.doxygen.org/index.html">
 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
 </body>
diff --git a/doc/html/structtjregion.html b/doc/html/structtjregion.html
index d5cf5844..7dd67de2 100644
--- a/doc/html/structtjregion.html
+++ b/doc/html/structtjregion.html
@@ -165,7 +165,7 @@ Data Fields</h2></td></tr>
 </iframe>
 </div>
 
-<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:39:31 for TurboJPEG by&#160;
+<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:53:12 for TurboJPEG by&#160;
 <a href="http://www.doxygen.org/index.html">
 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
 </body>
diff --git a/doc/html/structtjscalingfactor.html b/doc/html/structtjscalingfactor.html
index 5f1413bc..30d34afc 100644
--- a/doc/html/structtjscalingfactor.html
+++ b/doc/html/structtjscalingfactor.html
@@ -127,7 +127,7 @@ Data Fields</h2></td></tr>
 </iframe>
 </div>
 
-<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:39:31 for TurboJPEG by&#160;
+<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:53:12 for TurboJPEG by&#160;
 <a href="http://www.doxygen.org/index.html">
 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
 </body>
diff --git a/doc/html/structtjtransform.html b/doc/html/structtjtransform.html
index 3e9cd551..c25ca70f 100644
--- a/doc/html/structtjtransform.html
+++ b/doc/html/structtjtransform.html
@@ -191,7 +191,7 @@ Data Fields</h2></td></tr>
 </iframe>
 </div>
 
-<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:39:31 for TurboJPEG by&#160;
+<hr class="footer"/><address class="footer"><small>Generated on Fri Apr 26 2013 03:53:12 for TurboJPEG by&#160;
 <a href="http://www.doxygen.org/index.html">
 <img class="footer" src="doxygen.png" alt="doxygen"/></a> 1.7.4 </small></address>
 </body>
diff --git a/turbojpeg.h b/turbojpeg.h
index 3fc6c39d..6c64d271 100644
--- a/turbojpeg.h
+++ b/turbojpeg.h
@@ -603,13 +603,13 @@ DLLEXPORT unsigned long DLLCALL tjBufSizeYUV(int width, int height,
  * uses the accelerated color conversion routines in TurboJPEG's underlying
  * codec to produce a planar YUV image that is suitable for X Video.
  * Specifically, if the chrominance components are subsampled along the
- * horizontal dimension, then the width of the luminance plane is padded to 2
- * in the output image (same goes for the height of the luminance plane, if the
- * chrominance components are subsampled along the vertical dimension.)  Also,
- * each line of each plane in the output image is padded to 4 bytes.  Although
- * this will work with any subsampling option, it is really only useful in
- * combination with TJ_420, which produces an image compatible with the I420
- * (AKA "YUV420P") format.
+ * horizontal dimension, then the width of the luminance plane is padded to the
+ * nearest multiple of 2 in the output image (same goes for the height of the
+ * luminance plane, if the chrominance components are subsampled along the
+ * vertical dimension.)  Also, each line of each plane in the output image is
+ * padded to 4 bytes.  Although this will work with any subsampling option, it
+ * is really only useful in combination with TJ_420, which produces an image
+ * compatible with the I420 (AKA "YUV420P") format.
  *
  * @param handle a handle to a TurboJPEG compressor or transformer instance
  * @param srcBuf pointer to an image buffer containing RGB or grayscale pixels