diff --git a/devgen/modules/changelog_generator.py b/devgen/modules/changelog_generator.py
index c39216f..6c3634a 100644
--- a/devgen/modules/changelog_generator.py
+++ b/devgen/modules/changelog_generator.py
@@ -120,7 +120,7 @@ class ChangelogGenerator:
     ) -> str:
         """Generates markdown changelog from parsed commits."""
         date_str = datetime.now().strftime("%Y-%m-%d")
-        md = [f"# {version} ({date_str})\n"]
+        md = [f"## {version} ({date_str})\n"]
 
         # Order: Breaking, Features, Fixes, Docs, Others
         order = [
@@ -163,14 +163,19 @@ class ChangelogGenerator:
 
         if output_file:
             path = Path(output_file)
-            # If file exists, prepend? For now, just overwrite or append logic could be complex.
-            # Let's implement prepend logic if file exists.
             if path.exists():
                 old_content = path.read_text(encoding="utf-8")
-                new_content = old_content + "\n\n" + md_content
+                # Prepend the new content, assume # CHANGELOG is at the top or needs to be
+                if old_content.strip().startswith("# CHANGELOG"):
+                    lines = old_content.split("\n", 1)
+                    header = lines[0]
+                    rest = lines[1] if len(lines) > 1 else ""
+                    new_content = f"{header}\n\n{md_content}\n{rest.lstrip()}"
+                else:
+                    new_content = f"# CHANGELOG\n\n{md_content}\n\n{old_content}"
                 path.write_text(new_content, encoding="utf-8")
             else:
-                path.write_text(md_content, encoding="utf-8")
+                path.write_text(f"# CHANGELOG\n\n{md_content}", encoding="utf-8")
 
             self.logger.info(f"Changelog written to {output_file}")
             print(f" Changelog updated: {output_file}")
diff --git a/devgen/modules/commit_generator.py b/devgen/modules/commit_generator.py
index 2f97b5b..9f30950 100644
--- a/devgen/modules/commit_generator.py
+++ b/devgen/modules/commit_generator.py
@@ -39,7 +39,6 @@ IGNORE_PATTERNS = [
 ]
 
 
-
 class CommitEngine:
     """
     Engine for generating AI-powered commit messages.
@@ -98,11 +97,11 @@ class CommitEngine:
                 ]
             )
             files = [f.strip() for f in out.split("\n") if f.strip()]
-            
+
             # Also get staged files (in case of a previous failed run)
             staged_out = run_git_command(["git", "diff", "--name-only", "--cached"])
             staged_files = [f.strip() for f in staged_out.split("\n") if f.strip()]
-            
+
             # Combine and deduplicate
             all_files = list(set(files + staged_files))
             return all_files
diff --git a/devgen/modules/license_generator.py b/devgen/modules/license_generator.py
index 096ba0f..83feafd 100644
--- a/devgen/modules/license_generator.py
+++ b/devgen/modules/license_generator.py
@@ -8,9 +8,7 @@ class LicenseGenerator:
     """Generates license files from templates."""
 
     def __init__(self):
-        self.templates_dir = (
-            Path(__file__).parent.parent / "prompt_templates" / "licenses"
-        )
+        self.templates_dir = Path(__file__).parent.parent / "templates" / "licenses"
 
     def list_licenses(self) -> List[Dict[str, str]]:
         """Lists available license templates."""