Fix typo in the algorithm description (GH-15774)
diff --git a/Parser/pgen/automata.py b/Parser/pgen/automata.py
index 3147d86..545a737 100644
--- a/Parser/pgen/automata.py
+++ b/Parser/pgen/automata.py
@@ -242,7 +242,7 @@
# Now create new DFAs by visiting all posible transitions between
# the current DFA state and the new power-set states (each nfa_set)
# via the different labels. As the nodes are appended to *states* this
- # is performing a deep-first search traversal over the power-set of
+ # is performing a breadth-first search traversal over the power-set of
# the states of the original NFA.
for label, nfa_set in sorted(arcs.items()):
for exisisting_state in states: