Fix typo

Author: richardpringle

lib/mongo_ecto.ex

@@ -158,7 +158,7 @@ defmodule Mongo.Ecto do
   which returns one entry or raises.
 
   There is also support for count function in queries that uses `MongoDB`'s
-  `count` command. Please not that unlike in SQL databases you can only select
+  `count` command. Please note that unlike in SQL databases you can only select
   a count - there is no support for querying using a count, there is also no
   support for counting documents and selecting them at the same time.
 
@@ -189,7 +189,7 @@ defmodule Mongo.Ecto do
   ## Commands
 
   MongoDB has many administrative commands you can use to manage your database.
-  We support them thourgh `Mongo.Ecto.command/2` function.
+  We support them through the `Mongo.Ecto.command/2` function.
 
       Mongo.Ecto.command(MyRepo, createUser: "ecto", ...)