diff --git a/fundamentals.md b/fundamentals.md
index ad34b4e..6bb7895 100644
--- a/fundamentals.md
+++ b/fundamentals.md
@@ -1,6 +1,6 @@
 ---
 layout: default
-permalink: /section1/
+permalink: /RE101/section1/
 title: Fundamentals
 ---