diff --git a/src/pybind/mgr/cephadm/module.py b/src/pybind/mgr/cephadm/module.py
index 146153e137e..b45f4a2c3e5 100644
--- a/src/pybind/mgr/cephadm/module.py
+++ b/src/pybind/mgr/cephadm/module.py
@@ -2414,7 +2414,7 @@ Then run the following:
     @handle_orch_error
     def plan(self, specs: Sequence[GenericSpec]) -> List:
         results = [{'warning': 'WARNING! Dry-Runs are snapshots of a certain point in time and are bound \n'
-                               'to the current inventory setup. If any on these conditions changes, the \n'
+                               'to the current inventory setup. If any of these conditions change, the \n'
                                'preview will be invalid. Please make sure to have a minimal \n'
                                'timeframe between planning and applying the specs.'}]
         if any([spec.service_type == 'host' for spec in specs]):