diff --git a/embedded-workshop-book/src/SUMMARY.md b/embedded-workshop-book/src/SUMMARY.md
index 984e372..f500aba 100644
--- a/embedded-workshop-book/src/SUMMARY.md
+++ b/embedded-workshop-book/src/SUMMARY.md
@@ -20,7 +20,7 @@
         - [Link Quality Indicator (LQI)](./link-quality.md)
     - [Radio In ](./radio-in.md)
     - [Radio Puzzle](./radio-puzzle.md)
-    - [Radio Puzzele Help](./radio-puzzle-help.md)
+    - [Radio Puzzle Help](./radio-puzzle-help.md)
     - [Starting a Project from Scratch](./from-scratch.md)
     - [Next Steps](./beginner-next-steps.md)
 - [Advanced Workbook](./advanced-workbook.md)