added more readme info

README.md

@@ -3,7 +3,7 @@
 The `xdg-sanity` script is built to replace your default web browser in your
 desktop/XDG settings. It intercepts http/s URIs sent to the default browser by
 `xdg-open` and sends it to the appropriate application. For example, it will
-send image/jpeg MIME type files to your image viewer.
+send `image/jpeg` MIME type files to your image viewer.
 
 ## Installation
 
@@ -14,15 +14,21 @@ AUR](https://aur.archlinux.org/packages/xdg-sanity).
 
 ### From Source
 
-First, make sure you have `curl(1)` and `handlr` installed. Then, clone this
+First, make sure you have `curl(1)` and `handlr(1)` installed. Then, clone this
 repository and move the `xdg-sanity/` folder into `/etc` and `xdg-sanity.sh` to
 `xdg-sanity` wherever your operating system stores locally-installed binaries.
-This is usually `/usr/local/bin`.
+This is usually `/usr/local/bin`. Make sure the installation location is in your
+`$PATH`.
 
-Then, create a `xdg-sanity.desktop` file either manually or with `gendesk(1)`,
+Create a `xdg-sanity.desktop` file either manually or with `gendesk(1)`,
 placing it, also, where your OS stores locally-installed `.desktop` files,
-usually `/usr/local/applications`. Set your default web browser to be that
+usually `/usr/local/applications`. Set your default web browser to that
 `.desktop` file.
 
-Now, add your default web browser to `/etc/xdg-sanity/xdg-sanity.conf` so the
-script can forward links to it.
+Add your default web browser to `/etc/xdg-sanity/xdg-sanity.conf` so the
+script can forward links to it.
+
+### Usage
+
+Open links from applications outside your web browser as normal. Alternatively,
+you can call `xdg-sanity` directly with the only argument accepted being a URI.