QmlJS: Fix hover tooltips for properties.

Task-number: QTCREATORBUG-4094
Reviewed-by: Leandro Melo

src/libs/utils/htmldocextractor.cpp

@@ -157,7 +157,7 @@ QString HtmlDocExtractor::getQmlPropertyDescription(const QString &html, const Q
         return QString();
 
     QString contents = html.mid(index + startMark.size());
-    index = contents.indexOf(QLatin1String("<p>"));
+    index = contents.indexOf(QLatin1String("<div class=\"qmldoc\"><p>"));
     if (index == -1)
         return QString();
     contents = contents.mid(index);