Inconsistent capitalization in preferences
Capitalization is inconsistent across different options in preferences dialog. Some options use title case, others sentence case, even for very similar situations (e.g. "Manage Passwords" and "Remember passwords").
Since most preferences don't form sentences, we should use title case for them according to the HIG. In the few cases where they do (e.g. subtitles/descriptions), sentence case should be used.
Here's an example of this from Settings: