Update README.md

HsiangHo · web-flow · commit f1ff69c05882 · 2019-08-29T22:38:05.000+08:00
diff --git a/README.md b/README.md
@@ -66,7 +66,7 @@ Let's make some constraints like this:
         view2.visualLayout(.H(view1-80-view2-15-|), .V(|-40-view2))
 ```
 
-- In Addition  
+- 😎In Addition  
  | : superView  
  \- : space  
  ~ : priority  
