1 files changed, 4 insertions, 4 deletions
diff --git a/docs/control-structures.rst b/docs/control-structures.rst
index 837a0a90..ead236c4 100644
--- a/docs/control-structures.rst
+++ b/docs/control-structures.rst
@@ -418,18 +418,18 @@ a message string for ``require``, but not for ``assert``.
 
 ::
 
-    pragma solidity ^0.4.22;
+    pragma solidity >0.4.24;
 
     contract Sharer {
         function sendHalf(address addr) public payable returns (uint balance) {
             require(msg.value % 2 == 0, "Even value required.");
-            uint balanceBeforeTransfer = this.balance;
+            uint balanceBeforeTransfer = address(this).balance;
             addr.transfer(msg.value / 2);
             // Since transfer throws an exception on failure and
             // cannot call back here, there should be no way for us to
             // still have half of the money.
-            assert(this.balance == balanceBeforeTransfer - msg.value / 2);
-            return this.balance;
+            assert(address(this).balance == balanceBeforeTransfer - msg.value / 2);
+            return address(this).balance;
         }
     }