The file "basic-options.xul" (located in chrome/passwdmaker.jar/content/passwdmaker) has the following lines of code:
<label value="This password was generated using the default account"/>
<hbox>
<label value="settings. Use the"/>
<label style="margin-left: -1px; margin-right: -1px; color: blue; cursor: pointer"
value="Advanced Options" onclick="onOptionsDialogButton('advanced');"/>
<label id="lastVisibleElement" value="to change them."/>
</hbox>
That code results in the following message:

The line break and the word order is good for English but may cause trouble for other languages.
In order to make it easy to translate that message, I suggest we change that code like this:
<vbox>
<label id="warningLbl" value="This password was generated using the default account settings."/>
<label id="lastVisibleElement" value="Use the Advanced Options to change them." style="color: blue; cursor: pointer" onclick="onOptionsDialogButton('advanced');"/>
</vbox>
Those lines would result in the following message:

What do you think?