diff --git a/src/compiler/rules/built_in_symbols.h b/src/compiler/rules/built_in_symbols.h
index ebe945b9..10f1f2da 100644
--- a/src/compiler/rules/built_in_symbols.h
+++ b/src/compiler/rules/built_in_symbols.h
@@ -5,10 +5,12 @@
 
 namespace tree_sitter {
 namespace rules {
+
 Symbol ERROR();
 Symbol START();
 Symbol END_OF_INPUT();
-}
-}
+
+}  // namespace rules
+}  // namespace tree_sitter
 
 #endif  // COMPILER_RULES_BUILT_IN_SYMBOLS_H_