diff --git a/README.md b/README.md
index d68bb53..5d43da8 100644
--- a/README.md
+++ b/README.md
@@ -15,9 +15,9 @@ The package has only been tried on Emacs 24.4 and 24.5, but should work on Emacs
Enable the `focus-mode` with M-x focus-mode .
-Also, `focus-read-only-mode` is provided, which is optimized for continuous reading. It inhibits change in the buffer, hides the cursor and provides bindings for moving between *things* (defined in [Thing At Point](http://emacswiki.org/emacs/ThingAtPoint). One can toggle `focus-read-only-mode` with M-x focus-read-only-mode or C-c C-q if `focus-mode` is enabled.
+Also, `focus-read-only-mode` is provided, which is a mode optimized for continuous reading. It inhibits change in the buffer, hides the cursor and provides bindings for moving between *things* (defined in [Thing At Point](http://emacswiki.org/emacs/ThingAtPoint). One can toggle `focus-read-only-mode` with M-x focus-read-only-mode or C-c C-q if `focus-mode` is enabled.
-Some bindings are provided for simple navigation and exiting `focus-read-only-mode`.
+Some bindings for simple navigation and exiting `focus-read-only-mode` are provided.
Keybinding | Description
-------------------|----------------------------
@@ -28,6 +28,12 @@ Keybinding | Description
i | Exit `focus-read-only-mode`
q | Exit `focus-read-only-mode`
+## Configuring
+
+The amount of dimness can be customized by setting the `focus-dimness` variable, where a positive integer indicates a more dim color (i.e. more blended with the background color of your theme), and a negative integer indicates a less dim color.
+
+Focus uses the [Thing At Point](http://emacswiki.org/emacs/ThingAtPoint) library to choose what section should be in focus. By default, modes derived from `prog-mode` uses `defun`, and modes derived from `text-mode` uses `sentence`. This a customizable by setting the `focus-mode-to-thing` variable, which is a list containing pairs on the form `(mode . thing)`.
+
### Example
This is what it looks like: