update activity

src/main/java/com/example/afrishop_v3/controllers/ActivityController.java

@@ -243,7 +243,7 @@ public class ActivityController {
 
                 if (itemPrice.compareTo(threshold) >= 0) {
                     msg.delete(0, msg.length());
-                    msg.append("Congrats, you've got " + discount + " off! ");
+                    msg.append("Congrats, you've got " + discount + " off ! ");
                 } else {
                     lessAmount = threshold.subtract(itemPrice);
                     String less = nf.format(lessAmount);