diff --git a/spynnaker/pyNN/models/neuron/population_neurons_machine_vertex.py b/spynnaker/pyNN/models/neuron/population_neurons_machine_vertex.py
index 5c683f33ef..e2a1fba03d 100644
--- a/spynnaker/pyNN/models/neuron/population_neurons_machine_vertex.py
+++ b/spynnaker/pyNN/models/neuron/population_neurons_machine_vertex.py
@@ -283,7 +283,7 @@ def generate_data_specification(self, spec: DataSpecificationGenerator,
         AbstractRewritesDataSpecification.regenerate_data_specification)
     def regenerate_data_specification(self, spec: DataSpecificationReloader,
                                       placement: Placement) -> None:
-       # Write the other parameters
+        # Write the other parameters
         self._rewrite_neuron_data_spec(spec)
 
         # close spec