diff --git a/tools/scripts/validate-frontmatter.py b/tools/scripts/validate-frontmatter.py
index dada524..ecf0ebd 100644
--- a/tools/scripts/validate-frontmatter.py
+++ b/tools/scripts/validate-frontmatter.py
@@ -139,10 +139,10 @@ def main():
         for name, errs in sorted(all_errors.items()):
             print(f"\n  [[{name}]]:")
             for e in errs:
-                print(f"    ❌ {e}")
+                print(f"    [ERR] {e}")
         sys.exit(1)
     else:
-        print("✅ All frontmatter valid")
+        print("[OK] All frontmatter valid")
         sys.exit(0)