Minor spelling grammar corrections

Signed-off-by: Matt Friedman <maf675@gmail.com>

Author: iMattPro

README.md

@@ -7,7 +7,7 @@ The official Ideas Centre used at [phpBB.com](https://www.phpbb.com/ideas/). Thi
 
 ## Contribute
 
-We welcome contributions to help make this Ideas extension even better. Please fork this repository, install it to a local development copy of phpBB, and send us a pull request with your bug fixes or feature improvements.
+We welcome contributions to help make this extension even better. Please fork this repository, install it to a local development copy of phpBB, and send us a pull request with your bug fixes or feature improvements.
 
 ## Bugs and Support
 

ext.php

@@ -12,7 +12,7 @@
 
 /**
 * This ext class is optional and can be omitted if left empty.
-* However you can add special (un)installation commands in the
+* However, you can add special (un)installation commands in the
 * methods enable_step(), disable_step() and purge_step(). As it is,
 * these methods are defined in \phpbb\extension\base, which this
 * class extends, but you can overwrite them to give special
@@ -55,7 +55,7 @@ public static function status_name($id)
 	}
 
 	/**
-	 * Check whether or not the extension can be enabled.
+	 * Check whether the extension can be enabled.
 	 *
 	 * Requires phpBB >= 3.2.3 due to removal of deprecated Twig functions (ie Twig_SimpleFunction)
 	 * Also incompatible with SQLite which does not support SQRT in SQL queries