diff --git a/canonicalwebteam/discourse/parsers/base_parser.py b/canonicalwebteam/discourse/parsers/base_parser.py
index fbc538b..570a5fa 100644
--- a/canonicalwebteam/discourse/parsers/base_parser.py
+++ b/canonicalwebteam/discourse/parsers/base_parser.py
@@ -35,7 +35,6 @@ def __init__(self, error):
         super().__init__(error)
 
         flask.current_app.extensions["sentry"].captureMessage(error)
-        pass
 
 
 class BaseParser:
@@ -214,7 +213,7 @@ def _parse_redirect_map(self, index_soup):
 
                 if not (
                     location.startswith(self.url_prefix)
-                    or validators.url(location, public=True)
+                    or validators.url(location)
                 ):
                     warnings.append(
                         f"Redirect map location {location} is invalid"
@@ -479,9 +478,12 @@ def _get_section(self, soup, title_text):
 
         <p>Content</p>
         """
-        heading = soup.find(HEADER_REGEX, string=title_text)
-
-        if not heading:
+        for heading in soup(HEADER_REGEX):
+            if heading.string is None and heading.a.next == title_text:
+                break
+            elif heading.string == title_text:
+                break
+        else:
             return None
 
         heading_tag = heading.name
@@ -501,9 +503,12 @@ def _get_preamble(self, soup, break_on_title):
         the heading defined in `break_on_title`,
         and return it as a BeautifulSoup object
         """
-        heading = soup.find(HEADER_REGEX, string=break_on_title)
-
-        if not heading:
+        for heading in soup(HEADER_REGEX):
+            if heading.string is None and heading.a.next == break_on_title:
+                break
+            elif heading.string == break_on_title:
+                break
+        else:
             return soup
         # get all the previous contents, reversing order on insert
         preamble_soup = BeautifulSoup()
diff --git a/setup.py b/setup.py
index 4183094..1f27fe3 100755
--- a/setup.py
+++ b/setup.py
@@ -4,7 +4,7 @@
 
 setup(
     name="canonicalwebteam.discourse",
-    version="5.4.2",
+    version="5.4.3",
     author="Canonical webteam",
     author_email="webteam@canonical.com",
     url="https://github.com/canonical/canonicalwebteam.discourse",