update readme

codesniffer.ruleset.xml

@@ -19,7 +19,7 @@
 
 	<!-- Rules: Check PHP version compatibility -->
 	<!-- https://github.com/PHPCompatibility/PHPCompatibility#sniffing-your-code-for-compatibility-with-specific-php-versions -->
-	<config name="testVersion" value="5.6-"/>
+	<config name="testVersion" value="5.3-"/>
 	<!-- https://github.com/PHPCompatibility/PHPCompatibilityWP -->
 	<rule ref="PHPCompatibilityWP"/>
 	<config name="minimum_supported_wp_version" value="4.3"/>

readme.txt

@@ -4,7 +4,9 @@ Donate link:  https://www.amazon.co.jp/registry/wishlist/COKSXS25MVQV
 Tags: post type,taxonomy,cms,posts per page
 Requires at least: 4.3
 Tested up to: 5.3
+Requires PHP: 5.3
 Stable tag: 1.0.1
+License: GPLv2 or Later
 
 Posts per page for custom post types and taxonomies.
 
@@ -51,6 +53,10 @@ That's it. You can access the posts per page setting by going to *Settings -> Re
 
 == Changelog ==
 
+= 1.1.0 =
+* Test WordPress 5.3
+* PHPCS fix.
+
 = 1.0.1 =
 * Test WordPress 4.9