-All these are optional. You could just say (but we don't recommend
-it, we're just showing that it's possible)
+You can use single quotes inside a password or other token by
+surrounding it with double quotes, e.g. @code{"he'llo"}. Similarly you
+can use double quotes inside a password or other token by surrounding
+it with single quotes, e.g. @code{'he"llo'}. You can't mix both (so a
+password or other token can't have both single and double quotes).
+
+All this is optional. You could just say (but we don't recommend it,
+we're just showing that it's possible)