Update README.md

Author: JingweiToo

README.md

@@ -114,7 +114,10 @@ sf_idx = FS.sf;
 Acc = jknn(feat(:,sf_idx),label,opts); 
 
 % Plot convergence
-plot(FS.c); grid on; xlabel('Number of Iterations'); ylabel('Fitness Value'); title('SMA');
+plot(FS.c); grid on; 
+xlabel('Number of Iterations');
+ylabel('Fitness Value'); 
+title('SMA');
 ```
 
 ### Example 3 : Whale Optimization Algorithm ( WOA )
@@ -145,7 +148,10 @@ sf_idx = FS.sf;
 Acc = jknn(feat(:,sf_idx),label,opts); 
 
 % Plot convergence
-plot(FS.c); grid on; xlabel('Number of Iterations'); ylabel('Fitness Value'); title('WOA');
+plot(FS.c); grid on; 
+xlabel('Number of Iterations'); 
+ylabel('Fitness Value'); 
+title('WOA');
 ```