diff --git a/conductor/tracks/ts_cpp_tree_sitter_20260308/plan.md b/conductor/tracks/ts_cpp_tree_sitter_20260308/plan.md
index fb38266..3cfa7db 100644
--- a/conductor/tracks/ts_cpp_tree_sitter_20260308/plan.md
+++ b/conductor/tracks/ts_cpp_tree_sitter_20260308/plan.md
@@ -12,7 +12,7 @@ Focus: Add tree-sitter C/C++ grammars
   - HOW: Edit dependencies array
   - SAFETY: No breaking changes
 
-## Phase 2: ASTParser Extensions
+## Phase 2: ASTParser Extensions [checkpoint: 7bc4642]
 Focus: Extend ASTParser to support C/C++ languages
 
 - [x] Task 2.1: Modify ASTParser.__init__ to accept "c" and "cpp" languages c025ebc