Update README.md

diogohmcruz · web-flow · commit 9365b3a9067e · 2018-11-16T20:10:01.000Z
diff --git a/README.md b/README.md
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 # Wall Follower - A Simple Reactive Robot
 
 <center>
-  <img src="img/example.png" width="100%" />
+  <img src="img/example.png" width="50%" />
 </center>
 
 In this project you'll find a robot that can follow a wall.
