Update exercises/108_labeled_switch.zig

The sentence was slightly unclear

Signed-off-by: chrboesch <chrboesch@noreply.codeberg.org>

exercises/108_labeled_switch.zig

@@ -46,9 +46,10 @@
 //  3. In the case '2' we repeat the same pattern as case '1'
 //        but instead the value to be evaluated is now '3';
 //  4. Finally we get to case '3', where we return from the function as a whole.
-//  5. In this example as the input has no clear exhaustive patterns but a essentially
-//      any u8 integer, we need to handle any case that is not explicitly handled
-//      by using the `else => {}` branch as a default case.
+//  5. In this example, since the input does not have clear, exhaustive patterns and
+//     can essentially be any `u8` integer, we need to handle all cases not explicitly
+//     covered by using the `else => {}` branch as the default case.
+
 //
 // Since step 4 or a break stament do not exist in this switch, the debug statement is
 // never executed