diff --git a/lhotse/workflows/activity_detection/README.md b/lhotse/workflows/activity_detection/README.md
index 42113d82e..f3b938c46 100644
--- a/lhotse/workflows/activity_detection/README.md
+++ b/lhotse/workflows/activity_detection/README.md
@@ -51,7 +51,7 @@ The Activity Detection module provides tools for detecting activity in audio rec
     .../librispeech_recordings_train-clean-5.jsonl.gz
     ```
 
-## Trubleshooting
+## Troubleshooting
 
 If you encounter the following errors while running the activity detection.