diff --git a/clone_for_markdown.py b/clone_for_markdown.py
index 87f322d..f2219ea 100644
--- a/clone_for_markdown.py
+++ b/clone_for_markdown.py
@@ -10,7 +10,9 @@ in : a relative path as given by GITEA_PREFIX_SRC (https://docs.gitea.io/en-us/c
 return : The name of the folder containing the cloned repo
 """
 
+# Prefix for the path where repository are saved, can be an url
 PATH_PREFIX = "/var/lib/gitea/git/repositories"
+# Prefix for where we will clone the repos
 CACHE_FOLDER_PATH = "/var/lib/gitea/markdown_cache"
 
 import sys
@@ -33,5 +35,4 @@ if not os.path.isdir(CACHE_FOLDER_PATH):
 
 if not os.path.isdir(repo_name):
     subprocess.run(["git", "clone", repo_path, repo_name], check=True, stdout=subprocess.DEVNULL, stderr=subprocess.STDOUT)
-subprocess.run(["asciidoctor", "-s", "-a", "showtitle", "--out-file=-", f"--base-dir={repo_name}", "-"])
- 
+subprocess.run(["asciidoctor", "-a", "showtitle", "-a", "source-highlighter=highlight.js", "--out-file=-", f"--base-dir={repo_name}", "-"])