Fix download link

Author: merland

doc/README.md

@@ -5,7 +5,7 @@ Setup
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 Bitcoin Core is the original Bitcoin client and it builds the backbone of the network. It downloads and, by default, stores the entire history of Bitcoin transactions, which requires a few hundred gigabytes of disk space. Depending on the speed of your computer and network connection, the synchronization process can take anywhere from a few hours to a day or more.
 
-To download Bitcoin Core, visit [bitcoincore.org](https://bitcoincore.org/en/releases/).
+To download Bitcoin Core, visit [bitcoincore.org](https://bitcoincore.org/en/download/).
 
 Running
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