Merge pull request #2750 from dafriend/modules-docs

Revise modules documentation page [ci skip]

Author: lonnieezell

user_guide_src/source/general/modules.rst

@@ -78,13 +78,10 @@ file types, including:
 
 This is configured in the file **app/Config/Modules.php**.
 
-The auto-discovery system works by scanning any psr4 namespaces that have been defined within **Config/Autoload.php**
-for familiar directories/files.
+The auto-discovery system works by scanning for particular directories and files within psr4 namespaces that have been defined in **Config/Autoload.php**.
 
-When at the **acme** namespace above, we would need to make one small adjustment to make it so the files could be found:
-each "module" within the namespace would have to have it's own namespace defined there. **Acme** would be changed
-to **Acme\Blog**. Once your module folder has been defined, the discover process would look for a Routes file, for example,
-at **/acme/Blog/Config/Routes.php**, just as if it was another application.
+To make auto-discovery work for our **Blog** namespace, we need to make one small adjustment.
+**Acme** needs to be changed to **Acme\\Blog** because each "module" within the namespace needs to be fully defined. Once your module folder path is defined, the discovery process would look for discoverable items on that path and should, for example, find the routes file at **/acme/Blog/Config/Routes.php**.
 
 Enable/Disable Discover
 =======================