diff --git a/Design-and-Architecture.md b/Design-and-Architecture.md
index 35e8f10..66dadc6 100644
--- a/Design-and-Architecture.md
+++ b/Design-and-Architecture.md
@@ -28,5 +28,4 @@
 - Enum cannot be extended (intentional for safe singleton)
 
 ---
-
-[[Home]] | [[API Reference]] | [[FAQ]]
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+[[Home]] | [[Programming Guide]] | [[API Reference]] | [[FAQ]] | [[Contributing]]
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