diff --git a/Tools/peg_generator/pegen/c_generator.py b/Tools/peg_generator/pegen/c_generator.py
index 84ed183c762e40..4e2e74a5db82bb 100644
--- a/Tools/peg_generator/pegen/c_generator.py
+++ b/Tools/peg_generator/pegen/c_generator.py
@@ -212,7 +212,7 @@ def visit_Rhs(self, node: Rhs) -> FunctionCall:
         if node.can_be_inlined:
             self.cache[node] = self.generate_call(node.alts[0].items[0])
         else:
-            name = self.gen.artifical_rule_from_rhs(node)
+            name = self.gen.artificial_rule_from_rhs(node)
             self.cache[node] = FunctionCall(
                 assigned_variable=f"{name}_var",
                 function=f"{name}_rule",
@@ -331,7 +331,7 @@ def visit_Repeat1(self, node: Repeat1) -> FunctionCall:
     def visit_Gather(self, node: Gather) -> FunctionCall:
         if node in self.cache:
             return self.cache[node]
-        name = self.gen.artifical_rule_from_gather(node)
+        name = self.gen.artificial_rule_from_gather(node)
         self.cache[node] = FunctionCall(
             assigned_variable=f"{name}_var",
             function=f"{name}_rule",
diff --git a/Tools/peg_generator/pegen/parser_generator.py b/Tools/peg_generator/pegen/parser_generator.py
index 3f386b61be5898..8cca7b6c39a5cc 100644
--- a/Tools/peg_generator/pegen/parser_generator.py
+++ b/Tools/peg_generator/pegen/parser_generator.py
@@ -167,7 +167,7 @@ def keyword_type(self) -> int:
         self.keyword_counter += 1
         return self.keyword_counter
 
-    def artifical_rule_from_rhs(self, rhs: Rhs) -> str:
+    def artificial_rule_from_rhs(self, rhs: Rhs) -> str:
         self.counter += 1
         name = f"_tmp_{self.counter}"  # TODO: Pick a nicer name.
         self.all_rules[name] = Rule(name, None, rhs)
@@ -183,7 +183,7 @@ def artificial_rule_from_repeat(self, node: Plain, is_repeat1: bool) -> str:
         self.all_rules[name] = Rule(name, None, Rhs([Alt([NamedItem(None, node)])]))
         return name
 
-    def artifical_rule_from_gather(self, node: Gather) -> str:
+    def artificial_rule_from_gather(self, node: Gather) -> str:
         self.counter += 1
         name = f"_gather_{self.counter}"
         self.counter += 1
diff --git a/Tools/peg_generator/pegen/python_generator.py b/Tools/peg_generator/pegen/python_generator.py
index 4a2883eb4ee202..588d3d3f6ef8f8 100644
--- a/Tools/peg_generator/pegen/python_generator.py
+++ b/Tools/peg_generator/pegen/python_generator.py
@@ -116,7 +116,7 @@ def visit_Rhs(self, node: Rhs) -> Tuple[Optional[str], str]:
         if len(node.alts) == 1 and len(node.alts[0].items) == 1:
             self.cache[node] = self.visit(node.alts[0].items[0])
         else:
-            name = self.gen.artifical_rule_from_rhs(node)
+            name = self.gen.artificial_rule_from_rhs(node)
             self.cache[node] = name, f"self.{name}()"
         return self.cache[node]
 
@@ -168,7 +168,7 @@ def visit_Repeat1(self, node: Repeat1) -> Tuple[str, str]:
     def visit_Gather(self, node: Gather) -> Tuple[str, str]:
         if node in self.cache:
             return self.cache[node]
-        name = self.gen.artifical_rule_from_gather(node)
+        name = self.gen.artificial_rule_from_gather(node)
         self.cache[node] = name, f"self.{name}()"  # No trailing comma here either!
         return self.cache[node]