diff --git a/cylc/flow/flow_mgr.py b/cylc/flow/flow_mgr.py
index f5a930f3a6a..be4e144f33b 100644
--- a/cylc/flow/flow_mgr.py
+++ b/cylc/flow/flow_mgr.py
@@ -59,6 +59,7 @@ def add_flow_opts(parser):
     parser.add_option(
         "--wait", action="store_true", default=False, dest="flow_wait",
         help="Wait for merge with current active flows before flowing on."
+             "Note you can use 'cylc set --pre=all' to unset a flow-wait."
     )
 
 
diff --git a/cylc/flow/scripts/set.py b/cylc/flow/scripts/set.py
index f39b6a502f0..88e9a177c1b 100755
--- a/cylc/flow/scripts/set.py
+++ b/cylc/flow/scripts/set.py
@@ -65,7 +65,7 @@
   # complete the succeeded output of 3/bar:
   $ cylc set --out=succeeded my_workflow//3/bar
 
-  # satisfy the `3/foo:succeeded` prerequisite of 3/bar:
+  # satisfy the 3/foo:succeeded prerequisite of 3/bar:
   $ cylc set --pre=3/foo my_workflow//3/bar
   #   or:
   $ cylc set --pre=3/foo:succeeded my_workflow//3/bar
diff --git a/cylc/flow/task_events_mgr.py b/cylc/flow/task_events_mgr.py
index 9db17679fc3..de70fd1c2f5 100644
--- a/cylc/flow/task_events_mgr.py
+++ b/cylc/flow/task_events_mgr.py
@@ -706,8 +706,7 @@ def process_message(
         ):
             # Set submitted and/or started first, if skipped.
             # (whether by forced set, or missed message).
-            LOG.warning(
-                f"[{itask}] setting implied output: {implied}")
+            LOG.info(f"[{itask}] setting implied output: {implied}")
             self.process_message(
                 itask, INFO, implied, event_time,
                 self.FLAG_INTERNAL, submit_num, forced