Update immutability defintion to clarify that only indexed properties of a NetworkServices object are immutable.
--- a/discovery-api/Overview.src.html Fri Feb 08 14:59:37 2013 +0100
+++ b/discovery-api/Overview.src.html Fri Feb 08 15:09:39 2013 +0100
@@ -719,9 +719,10 @@
<p>
A <a href="#networkservices"><code>NetworkServices</code></a> object represents the current collection of
zero or more <a href="#networkservice"><code>NetworkService</code></a> objects - its <a>indexed
- properties</a>. A <a href="#networkservices"><code>NetworkServices</code></a> object is
- <span>immutable</span> meaning that <a>indexed properties</a> cannot be added and <a>indexed properties</a>
- cannot be removed for the lifetime of a <a href="#networkservices"><code>NetworkServices</code></a> object.
+ properties</a>. The <a>indexed properties</a> of a <a href=
+ "#networkservices"><code>NetworkServices</code></a> object are <span>immutable</span> meaning that <a>indexed
+ properties</a> cannot be added and <a>indexed properties</a> cannot be removed for the lifetime of a <a href=
+ "#networkservices"><code>NetworkServices</code></a> object.
</p>
<p class="note">
Each service in a <a href="#networkservices"><code>NetworkServices</code></a> object thus has an index; the