Minor fix in 'about me' page

Author: smartnode

about.md

@@ -4,7 +4,7 @@ title: About Me
 ---
 
 <p class="message">I am a software engineer with long-term experience on embedded linux systems and applications development. I write code for bootloaders, Linux Kernel, modules, system tools, boot scripts, offline and online software update.</p>
-<figure><img class="img-fluid" src="{{ "/assets/images/at-work.jpg" | prepend: site.baseurl }}" alt="image"></figure>
+<figure><img class="rounded img-fluid" src="{{ "/assets/images/at-work.jpg" | prepend: site.baseurl }}" alt="Working"></figure>
 <h4>Research Work</h4>
 <ul>
 	<li>E. Talipov, Y. Chon, H. Cha, User Context-based Data Delivery in Spontaneous Smartphone Networks, Pervasive and Mobile Computing, Volume 17, pp. 122-138, 2015.</li>