cleanup issues

issues/21.md

@@ -98,9 +98,7 @@ And that doesn’t work, because we lose the value of `x`. When we try to set `y
 ("right", "right")
 ```
 
-What can this mean, other than some more Python trickery?
-
-`x, y = y, x` looks perfectly natural, but it’s actually quite an unnatural mechanic. In fact, you don’t find it in many other languages. We’ll uncover exactly what’s going on next issue...
+`x, y = y, x` looks perfectly natural, but it’s actually quite an unnatural mechanic. In fact, you don’t find it in many other languages. So how come it works? What can this mean, other than some more Python trickery... we’ll uncover exactly what’s going on next issue!
 
 
 <br>