diff --git a/mini_agent/tools/skill_loader.py b/mini_agent/tools/skill_loader.py
index fde62b4..2529b93 100644
--- a/mini_agent/tools/skill_loader.py
+++ b/mini_agent/tools/skill_loader.py
@@ -125,7 +125,8 @@ def _process_skill_paths(self, content: str, skill_dir: Path) -> str:
         """
         import re
 
-        # Pattern 1: Directory-based paths (scripts/, examples/, templates/, reference/)
+        # Pattern 1: Directory-based paths (scripts/, references/, assets/)
+        # See https://agentskills.io/specification#optional-directories
         def replace_dir_path(match):
             prefix = match.group(1)  # e.g., "python " or "`"
             rel_path = match.group(2)  # e.g., "scripts/with_server.py"
@@ -135,7 +136,7 @@ def replace_dir_path(match):
                 return f"{prefix}{abs_path}"
             return match.group(0)
 
-        pattern_dirs = r"(python\s+|`)((?:scripts|examples|templates|reference)/[^\s`\)]+)"
+        pattern_dirs = r"(python\s+|`)((?:scripts|references|assets)/[^\s`\)]+)"
         content = re.sub(pattern_dirs, replace_dir_path, content)
 
         # Pattern 2: Direct markdown/document references (forms.md, reference.md, etc.)