README.md in superslug-1.1.0 vs README.md in superslug-1.2.0

@@ -39,12 +39,15 @@
 The `source` column is the column *from which you want to generate the slug*,
 while the destination (dest) column is *where the sluggified string is stored*.
 
 ### Options
 
-The only option is `separator`, which defines the character with which to fill
-blank spaces in the string. For example, if it is a hyphen, then `Hello World`
-becomes `hello-world`. See below for an example.
+* **separator**: Defines the character with which to fill blank spaces in the
+  string. For example, if it is a hyphen, then `Hello World` becomes `hello-
+  world`. See below for an example.
+* **force_update**: If `true`, the destination column (slug) will always be set
+  when the record is saved. Otherwise, it doesn't change once it is first
+  created, unless manually set.
 
 ### Example
 
 If you have a `Page` model that has a `name` and a `permalink` column, and you
 want to use underscore separators, then your model would look like this: