Fix comment position in the voting example

Author: Denis T

docs/examples/voting.rst

@@ -128,15 +128,17 @@ of votes.
                 // We found a loop in the delegation, not allowed.
                 require(to != msg.sender, "Found loop in delegation.");
             }
-
-            // Since `sender` is a reference, this
-            // modifies `voters[msg.sender].voted`
+            
             Voter storage delegate_ = voters[to];
 
             // Voters cannot delegate to accounts that cannot vote.
             require(delegate_.weight >= 1);
+            
+            // Since `sender` is a reference, this
+            // modifies `voters[msg.sender]`.
             sender.voted = true;
             sender.delegate = to;
+            
             if (delegate_.voted) {
                 // If the delegate already voted,
                 // directly add to the number of votes