diff --git a/src/api/util.py b/src/api/util.py
index 3982bab..081c3bc 100644
--- a/src/api/util.py
+++ b/src/api/util.py
@@ -45,6 +45,7 @@ def sanitize_to_markdown(text: str) -> str:
     text = text.replace("\\", "\\\\").replace('//', '/\\/').replace("](", "]\\(")  # replace escaping and links
     text = re.sub(r"([`_*~:<>{}@|])", "\\\\\\1", text)  # Escape common Markdown characters
     text = re.sub(r"^(#+ )", '\\\\\\1', text, 0, re.MULTILINE)  # Escape headers
+    text = re.sub(r"^(-# )", '\\\\\\1', text, 0, re.MULTILINE)  # Escape subtext
     text = re.sub(r"^(\s*)- ", '\\1\\\\- ', text, 0, re.MULTILINE)  # Escape lists
     text = re.sub(r"^(\s*\d+)\. ", "\\1\\\\. ", text, 0, re.MULTILINE)  # Escape numbered lists
     return text