Index: docs/ProgrammersManual.rst
===================================================================
--- docs/ProgrammersManual.rst
+++ docs/ProgrammersManual.rst
@@ -1289,13 +1289,10 @@
 
 Getting this to work requires a small amount of setup.  On Unix systems
 with X11, install the `graphviz <http://www.graphviz.org>`_ toolkit, and make
-sure 'dot' and 'gv' are in your path.  If you are running on Mac OS X, download
-and install the Mac OS X `Graphviz program
-<http://www.pixelglow.com/graphviz/>`_ and add
-``/Applications/Graphviz.app/Contents/MacOS/`` (or wherever you install it) to
-your path. The programs need not be present when configuring, building or
-running LLVM and can simply be installed when needed during an active debug
-session.
+sure 'dot' and 'gv' are in your path.  If you are running on macOS, install the
+'graphviz-gui' through `MacPorts <https://www.macports.org>`_. The programs need
+not be present when configuring, building or running LLVM and can simply be
+installed when needed during an active debug session.
 
 ``SelectionDAG`` has been extended to make it easier to locate *interesting*
 nodes in large complex graphs.  From gdb, if you ``call DAG.setGraphColor(node,