update the empty-password-in-config-file qhelp

Author: erik-krogh

javascript/ql/src/Security/CWE-862/EmptyPasswordInConfigurationFile.qhelp

@@ -7,7 +7,7 @@
 
 </overview>
 <recommendation>
-<p>Choose a proper password and encrypt it if it has to stored in a configuration file.</p>
+<p>Choose a strong password and encrypt it if it has to be stored in a configuration file.</p>
 
 </recommendation>
 <references>