diff --git a/java/ql/src/Security/CWE/CWE-730/ReDoS.qhelp b/java/ql/src/Security/CWE/CWE-730/ReDoS.qhelp
index 9f0d7a6fa07..7fcdb97535b 100644
--- a/java/ql/src/Security/CWE/CWE-730/ReDoS.qhelp
+++ b/java/ql/src/Security/CWE/CWE-730/ReDoS.qhelp
@@ -11,8 +11,7 @@
 			Consider this regular expression:
 		</p>
 		<sample language="java">
-			^_(__|.)+_$
-		</sample>
+^_(__|.)+_$</sample>
 		<p>
 			Its sub-expression <code>"(__|.)+?"</code> can match the string <code>"__"</code> either by the
 			first alternative <code>"__"</code> to the left of the <code>"|"</code> operator, or by two
diff --git a/javascript/ql/src/Performance/ReDoS.qhelp b/javascript/ql/src/Performance/ReDoS.qhelp
index a020a319207..c152d646201 100644
--- a/javascript/ql/src/Performance/ReDoS.qhelp
+++ b/javascript/ql/src/Performance/ReDoS.qhelp
@@ -11,8 +11,7 @@
 			Consider this regular expression:
 		</p>
 		<sample language="javascript">
-			/^_(__|.)+_$/
-		</sample>
+/^_(__|.)+_$/</sample>
 		<p>
 			Its sub-expression <code>"(__|.)+?"</code> can match the string <code>"__"</code> either by the
 			first alternative <code>"__"</code> to the left of the <code>"|"</code> operator, or by two
diff --git a/python/ql/src/Security/CWE-730/ReDoS.qhelp b/python/ql/src/Security/CWE-730/ReDoS.qhelp
index 74f3b8b87a1..a881d94cd9f 100644
--- a/python/ql/src/Security/CWE-730/ReDoS.qhelp
+++ b/python/ql/src/Security/CWE-730/ReDoS.qhelp
@@ -11,8 +11,7 @@
 			Consider this regular expression:
 		</p>
 		<sample language="python">
-			^_(__|.)+_$
-		</sample>
+^_(__|.)+_$</sample>
 		<p>
 			Its sub-expression <code>"(__|.)+?"</code> can match the string <code>"__"</code> either by the
 			first alternative <code>"__"</code> to the left of the <code>"|"</code> operator, or by two
diff --git a/ruby/ql/src/queries/security/cwe-1333/ReDoS.qhelp b/ruby/ql/src/queries/security/cwe-1333/ReDoS.qhelp
index 901315cba72..4c19e2bb6fe 100644
--- a/ruby/ql/src/queries/security/cwe-1333/ReDoS.qhelp
+++ b/ruby/ql/src/queries/security/cwe-1333/ReDoS.qhelp
@@ -4,8 +4,7 @@
   <example>
     <p>Consider this regular expression:</p>
     <sample language="ruby">
-      /^_(__|.)+_$/
-    </sample>
+/^_(__|.)+_$/</sample>
     <p>
       Its sub-expression <code>"(__|.)+?"</code> can match the string
       <code>"__"</code> either by the first alternative <code>"__"</code> to the