update readme

README.md

@@ -2,10 +2,14 @@ NAME
 ----
   mongoid_grid_fs
 
+INSTALL
+-------
+  gem install mongoid_grid_fs
+
 SYNOPSIS
 --------
 
-  ````ruby
+````ruby
 
   require 'mongoid-grid_fs'
 
@@ -16,34 +20,34 @@ SYNOPSIS
   GridFS.delete id
 
 
-  ````
+````
 
 DESCRIPTION
 -----------
-  mongoid_grid_fs is pure mongoid 3  / moped implementation of the mongodb
-  grid_fs specification
+mongoid_grid_fs is pure mongoid 3  / moped implementation of the mongodb
+grid_fs specification
 
-   ref: http://www.mongodb.org/display/DOCS/GridFS+Specification
+ref: http://www.mongodb.org/display/DOCS/GridFS+Specification
 
-   it has the following features:
+it has the following features:
 
-    - implementation is on top of mongoid for portability.  moped (the drive)
+- implementation is on top of mongoid for portability.  moped (the drive)
   is barely used
 
-    - simple, REST-like api
+- simple, REST-like api
 
-    - support for custom namespaces (fs.files vs. image.files)
+- support for custom namespaces (fs.files vs. image.files)
 
-    - pathnames and io-like objects can be written to the grid
+- pathnames and io-like objects can be written to the grid
 
-    - auto-unique pathnames are generated (by default) to avoid collisions using #put
+- auto-unique pathnames are generated (by default) to avoid collisions using #put
 
     'path/info/a.rb' -> '$object_id/a.rb'
 
-    - #[] and #[]= methods which allow the grid to be used like a giant file
+- #[] and #[]= methods which allow the grid to be used like a giant file
   hash in the sky
 
-    - supprt for data_uris
+- supprt for data_uris
 
   ````eruby