diff --git a/src/search.cpp b/src/search.cpp
index d409704..b96002c 100644
--- a/src/search.cpp
+++ b/src/search.cpp
@@ -117,7 +117,7 @@ std::vector<match> search(const fs::path &filepath,
 void cleanup_text(string &text)
 {
     static const boost::regex re_header_start{"<[hH][1-6]"};
-    static const boost::regex re_header_end{"</[hH]"};
+    static const boost::regex re_header_end{"</[hH][1-6]"};
     static const boost::regex re_pagebreak{".+pagebreak.+(title|aria-label)"
                                            "=\"([[:alnum:]]+)\".*"};
 
@@ -130,7 +130,7 @@ void cleanup_text(string &text)
         {
             replacement = "<H>";
         }
-        else if (boost::regex_match(text.substr(pos, 3), re_header_end))
+        else if (boost::regex_match(text.substr(pos, 4), re_header_end))
         {
             replacement = "</H>";
         }
diff --git a/translations/de.po b/translations/de.po
index 200eebf..343fcd5 100644
--- a/translations/de.po
+++ b/translations/de.po
@@ -2,8 +2,8 @@ msgid ""
 msgstr ""
 "Project-Id-Version: epubgrep 0.4.0\n"
 "Report-Msgid-Bugs-To: \n"
-"POT-Creation-Date: 2021-05-29 18:42+0200\n"
-"PO-Revision-Date: 2021-05-29 18:42+0200\n"
+"POT-Creation-Date: 2021-05-29 22:16+0200\n"
+"PO-Revision-Date: 2021-05-29 22:16+0200\n"
 "Last-Translator: tastytea <tastytea@tastytea.de>\n"
 "Language-Team: tastytea <https://schlomp.space/tastytea/epubgrep>\n"
 "Language: de\n"
@@ -181,6 +181,3 @@ msgstr "Konnte {0:s} nicht schließen."
 msgid "{0:s} is damaged. Could not read spine. Skipping file.\n"
 msgstr ""
 "{0:s} ist beschädigt. Konnte „Spine“ nicht lesen. Überspringe Datei.\n"
-
-#~ msgid " (while searching {0:s})"
-#~ msgstr " (während {0:s} durchsucht wurde)"