Update banner-6.html

Author: mo-nika

_includes/banner-6.html

@@ -25,8 +25,8 @@
         class="text-content"
         style="color: #3a1d4c; margin: 0 0 1.5em 0; font-size: 1.1em"
     >
-        Want to share your expertise during a training session? Our Call For
-        Training is open until 15 December!
+        Want to share your expertise during a tutorial session? Our Call For
+        Training is open until 6 January!
     </p>
     <a
         class="page-scroll btn-outline btn-orange"