diff --git a/py/desispec/large_trace_shifts.py b/py/desispec/large_trace_shifts.py
index 8042afe9c..d0ac6f33a 100644
--- a/py/desispec/large_trace_shifts.py
+++ b/py/desispec/large_trace_shifts.py
@@ -1,6 +1,6 @@
 """
-desispec.trace_shifts
-=====================
+desispec.large_trace_shifts
+===========================
 
 """