diff --git a/python/lsst/drp/tasks/assemble_coadd.py b/python/lsst/drp/tasks/assemble_coadd.py
index e3074ccb..2b0ee265 100644
--- a/python/lsst/drp/tasks/assemble_coadd.py
+++ b/python/lsst/drp/tasks/assemble_coadd.py
@@ -206,8 +206,7 @@ class AssembleCoaddConfig(
         default=True,
     )
     doWriteArtifactMasks = pexConfig.Field(
-        doc="Persist artifact masks? Should be set to True by CompareWarp "
-        "only.",
+        doc="Persist artifact masks? Should be True for CompareWarp only.",
         dtype=bool,
         default=False,
     )