diff --git a/CMakeGraphVizOptions.cmake b/CMakeGraphVizOptions.cmake
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+++ b/CMakeGraphVizOptions.cmake
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+# CMake configuration to control the look and contents of generated graphviz files.
+#
+# Documentation: https://cmake.org/cmake/help/latest/module/CMakeGraphVizOptions.html
+#
+# To generate a dependency graph from the build directory:
+#
+#   cmake . --graphviz=wireshark.dot
+#   fdp wireshark.dot -Tpdf -o wireshark.pdf
+
+set(GRAPHVIZ_GRAPH_NAME "Wireshark dependency graph")
+set(GRAPHVIZ_GRAPH_HEADER \tsize="5!" \n\tgraph[splines="true",forcelabels="true",overlap="false"] \n)