Update cpp/ql/src/Security/CWE/CWE-416/IteratorToExpiredContainer.qhelp

Co-authored-by: mc <42146119+mchammer01@users.noreply.github.com>

Author: MathiasVP

cpp/ql/src/Security/CWE/CWE-416/IteratorToExpiredContainer.qhelp

@@ -32,7 +32,7 @@ This is because the temporary container is not bound to a rvalue reference.
 
 <p>
 To fix <code>lifetime_of_temp_not_extended</code>, consider rewriting the code so that the lifetime of the temporary object is extended.
-In <code>fixed_lifetime_of_temp_not_extended</code> the lifetime of the temporary object has been extended by storing it in an rvalue reference.
+In <code>fixed_lifetime_of_temp_not_extended</code>, the lifetime of the temporary object has been extended by storing it in an rvalue reference.
 </p>
 <sample src="IteratorToExpiredContainerExtendedLifetime-fixed.cpp" />