Settings

Add to Default shortcuts
Enabled entity types
Enable to add a path field and allow to define alias patterns for the given type. Disabled types already define a path field themselves or currently have a pattern.
Display alias changes (except during bulk updates).
Character used to separate words in titles. This will replace any spaces and punctuation characters. Using a space or + character can cause unexpected results.
Convert token values to lowercase.
Maximum length of aliases to generate. 100 is the recommended length. 255 is the maximum possible length. See Pathauto help for details.
Maximum text length of any component in the alias (e.g., [title]). 100 is the recommended length. 255 is the maximum possible length. See Pathauto help for details.
Update action
What should Pathauto do when updating an existing content item which already has an alias? Considering installing the Redirect module to get redirects when your aliases change.
When a pattern includes certain characters (such as those with accents) should Pathauto attempt to transliterate them into the US-ASCII alphabet?
Filters the new alias to only letters and numbers found in the ASCII-96 set.
Words to strip out of the URL alias, separated by commas. Do not use this to remove punctuation.
List of tokens that are safe to use in alias patterns and do not need to be cleaned. For example urls, aliases, machine names. Separated with a comma.