diff --git a/src/stcal/jump/jump.py b/src/stcal/jump/jump.py
index e94e07fe..e0cabe5f 100644
--- a/src/stcal/jump/jump.py
+++ b/src/stcal/jump/jump.py
@@ -660,8 +660,8 @@ def make_snowballs(
     persist_jumps : ndarray
         Zero array to be filled in.
 
-    Return
-    ------
+    Returns
+    -------
     gdq : ndarray
         The 4-D group DQ array.