diff --git a/cylc/flow/network/schema.py b/cylc/flow/network/schema.py
index 84e019b17e..3f6534b418 100644
--- a/cylc/flow/network/schema.py
+++ b/cylc/flow/network/schema.py
@@ -2161,7 +2161,7 @@ class Meta:
         description = sstrip('''
             Remove one or more task instances from a running workflow.
 
-            Valid for: paused, running workflows.
+            Valid for: paused, running, stopping workflows.
         ''')
         resolver = partial(mutator, command='remove_tasks')