Remove trailing whitespace

1 files changed, 1 insertions, 1 deletions

diff --git a/docs/solidity-by-example.rst b/docs/solidity-by-example.rst
index e68ce448..86d6f72b 100644
--- a/docs/solidity-by-example.rst
+++ b/docs/solidity-by-example.rst
@@ -271,7 +271,7 @@ activate themselves.
                 // highestBidder.send(highestBid) is a security risk
                 // because it can be prevented by the caller by e.g.
                 // raising the call stack to 1023. It is always safer
-                // to let the recipient withdraw their money themselves. 
+                // to let the recipient withdraw their money themselves.
                 pendingReturns[highestBidder] += highestBid;
             }
             highestBidder = msg.sender;