diff --git a/docs/troubleshooting.rst b/docs/troubleshooting.rst
index d29a5d2f..9bfc3400 100644
--- a/docs/troubleshooting.rst
+++ b/docs/troubleshooting.rst
@@ -8,6 +8,7 @@ TODO:
 
 - --show-config
 - --list-deps
+- SIGUSR1 for thread traceback logging
 - Issue tracker
 - Reporting bugs
 - Mailing list