diff --git a/tools/spec.py b/tools/spec.py
index ac886c1..bc477f1 100644
--- a/tools/spec.py
+++ b/tools/spec.py
@@ -105,7 +105,7 @@ class AliasType(Type):
         return f"using {rename(self.name)} = {rename(self.target)};"
 
 
-##-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 class AliasValue(Type):
     """
     A value that is an alias for another value.
@@ -124,14 +124,14 @@ class AliasValue(Type):
         }
 
 
-##-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 class Placeholder(Type):
     def __init__(self, name: str):
         super().__init__(name)
 
 
 
-##-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 class Unscoped(Type):
     def __init__(self, name: str):
         super().__init__(name)
@@ -659,7 +659,7 @@ def parse_types(reg: Registry, root):
             reg.types[name].depends.append(t.attrib['requires'])
 
 
-##-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 def parse_enums(reg: Registry, root):
     assert root.tag == 'enums'
     ownername = root.attrib['name']
@@ -676,7 +676,7 @@ def parse_enums(reg: Registry, root):
             owner[valuename] = Constant(node)
 
 
-##-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 def parse_commands(reg: Registry, root):
     assert root.tag == 'commands'
 
@@ -691,7 +691,7 @@ def parse_commands(reg: Registry, root):
         reg.types[name] = Command(node)
 
 
-##-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 def parse_feature(reg: Registry, root):
     assert root.tag == 'feature'
 
@@ -702,7 +702,7 @@ def parse_feature(reg: Registry, root):
     reg.types[name] = reg.features[name]
 
 
-##-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 def parse_extensions(reg: Registry, root):
     assert root.tag == 'extensions'
 
@@ -765,7 +765,7 @@ def write_header(path: str, q: List[Type], reg: Registry):
             """)
 
 
-##-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 def write_icd(path: str, q: List[Type], reg: Registry):
     with open(path, 'w') as icd:
         commands = [i for i in q if isinstance(i, Command)]
@@ -812,7 +812,7 @@ def write_icd(path: str, q: List[Type], reg: Registry):
         """)
 
 
-##-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 def write_dispatch(path: str, q: List[Type], reg: Registry):
     with open(path, 'w') as dispatch:
         dispatch.write("""
@@ -883,7 +883,7 @@ def write_dispatch(path: str, q: List[Type], reg: Registry):
 import argparse
 
 
-##-----------------------------------------------------------------------------
+# -----------------------------------------------------------------------------
 def main():
     logging.getLogger().setLevel(logging.WARNING)
 
@@ -939,6 +939,7 @@ def main():
     write_icd(args.icd, q, reg)
     write_dispatch(args.dispatch, q, reg)
 
-##-----------------------------------------------------------------------------
+
+# -----------------------------------------------------------------------------
 if __name__ == '__main__':
     main()