diff --git a/flamegraph.pl b/flamegraph.pl
index 401b84af..f8c4cc40 100755
--- a/flamegraph.pl
+++ b/flamegraph.pl
@@ -23,7 +23,7 @@
 # program, which visualized function entry and return trace events.  As Neel
 # wrote: "The output displayed is inspired by Roch's CallStackAnalyzer which
 # was in turn inspired by the work on vftrace by Jan Boerhout".  See:
-# http://blogs.sun.com/realneel/entry/visualizing_callstacks_via_dtrace_and
+# https://blogs.oracle.com/realneel/entry/visualizing_callstacks_via_dtrace_and
 #
 # Copyright 2011 Joyent, Inc.  All rights reserved.
 # Copyright 2011 Brendan Gregg.  All rights reserved.