diff --git a/python/src/gz/sim/TestFixture.cc b/python/src/gz/sim/TestFixture.cc
index 1fa05d23c3..dc2589cd51 100644
--- a/python/src/gz/sim/TestFixture.cc
+++ b/python/src/gz/sim/TestFixture.cc
@@ -93,7 +93,7 @@ defineSimTestFixture(pybind11::object module)
       }
     ),
     pybind11::return_value_policy::reference,
-    "Wrapper around a system's post-update callback"
+    "Wrapper around a system's reset callback"
   );
   // TODO(ahcorde): This method is not compiling for the following reason:
   // The EventManager class has an unordered_map which holds a unique_ptr