Fixes a minor spelling error in the documentation.
@@ -944,7 +944,7 @@ manner using TCP/IP alone, so AMQP defines something called heartbeats
that's is used both by the client and the broker to detect if
a connection was closed.
-Hartbeats are disabled by default.
+Heartbeats are disabled by default.
If the heartbeat value is 10 seconds, then
the heartbeat will be monitored at the interval specified
Ken Reese