Merge pull request #25 from ShoGinn/patch-1

Update swap.php

swap.php

@@ -40,7 +40,7 @@
 
                 <div>
 
-                    <p>You can click Swap Group again to go the next Group or back to the pervious group if you only have 2 groups.</p>
+                    <p>You can click Swap Group again to go the next Group or back to the previous group if you only have 2 groups.</p>
 
                     <p>&mdash; CauseFX</p>
 
@@ -52,4 +52,4 @@
 
     </body>
 
-</html>
+</html>