--- a/wwwdocs/htdocs/gcc-4.9/changes.html
+++ b/wwwdocs/htdocs/gcc-4.9/changes.html
@@ -579,6 +579,14 @@ auto incr(T x) { return x++; }
        size when compiling for the M-profile processors.
      </li>
      </ul>
+<h3 id="avr">AVR</h3>
+<ul>
+  <li>
+    A new command-line option -mfract-convert-truncate has been added.
+    It allows compiler to use truncation instead of rounding towards
+    0 for fractional int types.
+  </li>
+</ul>
 <h3 id="x86">IA-32/x86-64</h3>
   <ul>
     <li><code>-mfpmath=sse</code> is now implied by <code>-ffast-math</code>