Update from https://github.com/opengisch/teaching-and-talks/commit/a69f0507d2e07d312579dc8ee3526ed3b9119ee5

Author: opengisch

opengisch-about-us/intro.html

@@ -103,7 +103,7 @@
 ---
 
 # WHAT MAKES
-# US SPECIAL?✨ :)
+# US SPECIAL?✨
 
 <!-- .slide: class="custom-center-pic" -->
 ![whatmakesusspecial](assets/whatmakesusspecial.png)