Add input name to IOException if unable to read during instrumentation (#527)

diff --git a/org.jacoco.doc/docroot/doc/changes.html b/org.jacoco.doc/docroot/doc/changes.html
index 604b537..742d745 100644
--- a/org.jacoco.doc/docroot/doc/changes.html
+++ b/org.jacoco.doc/docroot/doc/changes.html
@@ -38,6 +38,13 @@
       (GitHub <a href="https://github.com/jacoco/jacoco/issues/498">#498</a>).</li>
 </ul>
 
+<h3>Non-functional Changes</h3>
+<ul>
+  <li>More information about context is provided when unable to read input during
+      instrumentation
+      (GitHub <a href="https://github.com/jacoco/jacoco/issues/527">#527</a>).</li>
+</ul>
+
 <h2>Release 0.7.9 (2017/02/05)</h2>
 
 <h3>Fixed Bugs</h3>