Fixing typo

announce/2015/mfsa2015-147.md

@@ -21,7 +21,7 @@ file served by web content.
 
 <ul>
   <li><a href="https://bugzilla.mozilla.org/show_bug.cgi?id=1216748">
-       potential underflow in 'covr', unchecked allocation&copy in Metadata::setData</a>
+       potential underflow in 'covr', unchecked allocation and copy in Metadata::setData</a>
 (<a href="http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2015-7222"
 class="ex-ref">CVE-2015-7222</a>)</li>
    <li><a