diff --git a/astgen_test.zig b/astgen_test.zig
index 6d845250a0..604fcbe46a 100644
--- a/astgen_test.zig
+++ b/astgen_test.zig
@@ -990,7 +990,7 @@ test "astgen: corpus test_all.zig" {
 }
 
 test "astgen: corpus build.zig" {
-    if (true) return error.SkipZigTest; // TODO: 3 inst diff (as_node coercion)
+    if (true) return error.SkipZigTest; // TODO: 3 inst, 160 extra, 18 string diffs
     const gpa = std.testing.allocator;
     try corpusCheck(gpa, "build.zig", @embedFile("build.zig"));
 }