Address documentation typos

CONTRIBUTING.md

@@ -60,7 +60,7 @@ Below are a few tools that can be used to run containers:
 
 <!-- tabs-open -->
 
-### Docker
+### Docker (Preferred)
 
 If you have [Docker](https://docs.docker.com/desktop/) installed, the containers
 can be run with the following command:

README.md

@@ -16,7 +16,7 @@ The following requirements must be met to use this package in your project:
   * While `EctoPGMQ.Migrations` contains helper functions for _managing_ the
     PGMQ extension, this package does **NOT** include the PGMQ extension. For
     additional information about installing PGMQ, see
-    [PGMQ Installation](`m:EctoPGMQ#pgmq-installation`).
+    [PGMQ Installation](pgmq_installation.md).
 
 ## Installation
 

guides/fifo_message_groups.md

@@ -5,7 +5,7 @@ This guide covers the usage of FIFO message groups.
 ## When to Use
 
 While PGMQ queues are inherently FIFO data structures, messages can be processed
-in non-deterministic order when message processing is parallelized within a
+in a non-deterministic order when message processing is parallelized within a
 single consumer and/or across multiple consumers. In many cases, this isn't an
 issue but there is sometimes a need to consume messages strictly in order within
 a group. In order to support this, PGMQ exposes a number of functions that read

guides/notifications.md

@@ -19,9 +19,9 @@ setting the throttle interval to `0`.
 
 ## Managing Notifications
 
-The notification configuration can be managed with `EctoPGMQ.create_queue/4`
-and `EctoPGMQ.update_queue/4` (or the corresponding functions in the
-`EctoPGMQ.Migrations` module):
+The notification configuration for a queue can be managed with
+`EctoPGMQ.create_queue/4` and `EctoPGMQ.update_queue/4` (or the corresponding
+functions in the `EctoPGMQ.Migrations` module):
 
 ```elixir
 # Create a queue with notifications enabled