diff --git a/tool.md b/tool.md
index 5aa7c71..c3c7940 100644
--- a/tool.md
+++ b/tool.md
@@ -1,6 +1,6 @@
 ---
 layout: default
-permalink: /Tools/
+permalink: /RE101/Tools/
 title: RE Tools
 ---
 # Required Tools #