diff --git a/_Sidebar.md b/_Sidebar.md
index 211e820..f92d376 100644
--- a/_Sidebar.md
+++ b/_Sidebar.md
@@ -2,6 +2,6 @@
 1. [[Home|Home]]
 
 ## Developers
-1. [[PhoenixAPI|PhoenixAPI]]
+1. [[PhoenixAPI|PhoenixAPI.md]]
 1. [[Project Variables|ProjectVars]]
 1. [[Contributing to PhoenixPE|ContributionGuidelines]]