Update README.md

pedrovgs · pedrovgs · commit 0f66c66c4827 · 2016-05-12T19:50:51.000+02:00
diff --git a/README.md b/README.md
@@ -53,10 +53,10 @@ Developed By
 * Pedro Vicente Gómez Sánchez - <pedrovicente.gomez@gmail.com>
 
 <a href="https://twitter.com/pedro_g_s">
-  <img alt="Follow me on Twitter" src="http://imageshack.us/a/img812/3923/smallth.png" />
+  <img alt="Follow me on Twitter" src="https://image.freepik.com/iconos-gratis/twitter-logo_318-40209.jpg" height="60" width="60"/>
 </a>
 <a href="https://es.linkedin.com/in/pedrovgs">
-  <img alt="Add me to Linkedin" src="http://imageshack.us/a/img41/7877/smallld.png" />
+  <img alt="Add me to Linkedin" src="https://image.freepik.com/iconos-gratis/boton-del-logotipo-linkedin_318-84979.png" height="60" width="60"/>
 </a>
 
 
