diff --git a/spynnaker/pyNN/models/spike_source/spike_source_array_vertex.py b/spynnaker/pyNN/models/spike_source/spike_source_array_vertex.py
index d4b5c2a728..d85fa50dd7 100644
--- a/spynnaker/pyNN/models/spike_source/spike_source_array_vertex.py
+++ b/spynnaker/pyNN/models/spike_source/spike_source_array_vertex.py
@@ -50,7 +50,7 @@
 
 logger = FormatAdapter(logging.getLogger(__name__))
 
-# Cutoff to warn too many spikes sent at one time
+# Cut off to warn too many spikes sent at one time
 TOO_MANY_SPIKES = 100
 
 _Number: TypeAlias = Union[int, float]