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-rw-r--r--doc/zmq.md2
1 files changed, 1 insertions, 1 deletions
diff --git a/doc/zmq.md b/doc/zmq.md
index 484b005cf4..53e557e3db 100644
--- a/doc/zmq.md
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@@ -78,7 +78,7 @@ bytes).
These options can also be provided in bitcoin.conf.
ZeroMQ endpoint specifiers for TCP (and others) are documented in the
-[ZeroMQ API](http://api.zeromq.org).
+[ZeroMQ API](http://api.zeromq.org/4-0:_start).
Client side, then, the ZeroMQ subscriber socket must have the
ZMQ_SUBSCRIBE option set to one or either of these prefixes (for