diff --git a/9. Troubleshooting/9. Troubleshooting.md b/9. Troubleshooting/9. Troubleshooting.md
index 5daa80a..c852d53 100644
--- a/9. Troubleshooting/9. Troubleshooting.md	
+++ b/9. Troubleshooting/9. Troubleshooting.md	
@@ -1,4 +1,4 @@
-# 9. Troubleshooting
+# Troubleshooting
 
 If you know what should be written here, please write it! [How to contribute.](https://github.com/becarpenter/book6/blob/main/1.%20Introduction%20and%20Foreword/How%20to%20contribute.md#how-to-contribute)