HTML Errors in "New article" creation Page and Article page

The "Element nobr not allowed as child of element a in this context." error has been found ob Create Article and View Article pages during w3c validation.

Test scenario#1
1. Open create article translation page in Firefox: (for ex. http://qa.jtalks.org/antarcticle/articles/translate/642)
2. In 'Developer Tool' toolbar open menu 'Tool' and select 'Validate HTML' item

AR: There is following validation error:
Line 23, Column 16: Element nobr not allowed as child of element a in this context. (Suppressing further errors from this subtree.)

 <a href="/antarcticle/" class="navbar-brand" tabindex="-1">
<nobr>
<i id="application-icon" class="glyphicon glyphicon-book"></i>
<span id="application-name-container" class="ellipsis-overflow">Antarcticle  - the best project ever</span>
</nobr>

The same error can be find on View Article Page (for ex. http://qa.jtalks.org/antarcticle/articles/642 )

It is expected, that there are no errors. warnings are acceptable