diff --git a/navigation.md b/navigation.md
index e832b4d..7b0a063 100644
--- a/navigation.md
+++ b/navigation.md
@@ -68,6 +68,7 @@
 
   * [How to Contribute](references/contribute.md)
   * [Links](references/links.md)
+  * [Network Ports](references/ports.md)
   * [Unix Rosetta Stone](references/rosetta.htm)
 
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