diff --git a/overrides/hooks/on_page_markdown.py b/overrides/hooks/on_page_markdown.py
index 884d882e..98dfa876 100644
--- a/overrides/hooks/on_page_markdown.py
+++ b/overrides/hooks/on_page_markdown.py
@@ -1,48 +1,51 @@
 import re
 
+
 def non_breaking_space(markdown):
-    return re.sub('[\u00A0\u1680\u180E\u2000-\u200B\u202F\u205F\u3000\uFEFF]', ' ', markdown)
+    return re.sub(
+        "[\u00A0\u1680\u180E\u2000-\u200B\u202F\u205F\u3000\uFEFF]", " ", markdown
+    )
+
 
 def update_heading(markdown):
-    file_content = markdown.split('\n')
-    markdown = ''
+    file_content = markdown.split("\n")
+    markdown = ""
     code = False
     for line in file_content:
         if not code:
-            if line.startswith('```'):
+            if line.startswith("```"):
                 code = True
-            elif line.startswith('#') and line.count('#')<=5:
-                heading_number = line.count('#') + 1
-                line = '#' * heading_number + ' ' + line.replace('#', '')
-        elif line.startswith('```') and code:
+            elif line.startswith("#") and line.count("#") <= 5:
+                heading_number = line.count("#") + 1
+                line = "#" * heading_number + " " + line.replace("#", "")
+        elif line.startswith("```") and code:
             code = True
-        markdown += line + '\n'
+        markdown += line + "\n"
     return markdown
 
+
 def strip_comments(markdown):
-    file_content = markdown.split('\n')
-    markdown = ''
-    for line in file_content:
-        if not re.search(r'%%(.*)%%', line) or not line.startswith('%%') or not line.endswith('%%'):
-            markdown += line + '\n'
-    markdown = re.sub(r'%%(.*)%%', '', markdown, flags=re.DOTALL)
-    return markdown
+    return re.sub(r"%%.*?%%", "", markdown, flags=re.DOTALL)
+
 
 def fix_tags(metadata):
-    tags = metadata.get('tags', None) or metadata.get('tag', None)
+    tags = metadata.get("tags", None) or metadata.get("tag", None)
     if tags and isinstance(tags, str):
-        tags = tags.split('/')
+        tags = tags.split("/")
         tags = [tag.strip() for tag in tags]
-        metadata['tags'] = tags
+        metadata["tags"] = tags
     return metadata
 
+
 def on_page_markdown(markdown, files, page, config, **kwargs):
-    config_hooks = config['extra'].get('hooks', {'strip_comments': True, 'fix_heading': False})
-    if config_hooks['strip_comments']:
+    config_hooks = config.get(
+        "extra", {"hooks": {"strip_comments": True, "fix_heading": False}}
+    ).get("hooks", {"strip_comments": True, "fix_heading": False})
+    if config_hooks.get("strip_comments", True):
         markdown = strip_comments(markdown)
-    if config_hooks['fix_heading']:
+    if config_hooks.get("fix_heading", False):
         markdown = update_heading(markdown)
     metadata = fix_tags(page.meta)
     page.meta = metadata
     markdown = non_breaking_space(markdown)
-    return markdown
\ No newline at end of file
+    return markdown