Update the documentation in the wake of
RELNOTES: None.
@@ -2487,8 +2487,8 @@ into binaries ("stamping")</h3>
<p>Bazel always outputs the following volatile keys:</p>
<ul>
<li>
- <code>BUILD_TIMESTAMP</code>: time of the build in milliseconds since the Unix Epoch (the
- value of <code>System.currentTimeMillis()</code>)
+ <code>BUILD_TIMESTAMP</code>: time of the build in seconds since the Unix Epoch (the value
+ of <code>System.currentTimeMillis()</code> divided by a thousand)
</li>
</ul>
</li>
