Fix release notes

Author: 1024jp

releasenotes/6.0.0.en.html

@@ -9,7 +9,7 @@
 	<meta name="description"  content="What's new on CotEditor 6.0.0"/>
 
 	<meta property="og:type"         content="article"/>
-	<meta property="og:url"          content="https://coteditor.com/releasenotes/6.0.0-beta.en"/>
+	<meta property="og:url"          content="https://coteditor.com/releasenotes/6.0.0.en"/>
 	<meta property="og:title"        content="CotEditor"/>
 	<meta property="og:description"  content="What's new on CotEditor 6.0.0"/>
 	<meta property="og:image"        content="https://coteditor.com/img/appicon/[email protected]"/>

releasenotes/6.0.1.en.html

@@ -9,7 +9,7 @@
 	<meta name="description"  content="What's new on CotEditor 6.0.1"/>
 
 	<meta property="og:type"         content="article"/>
-	<meta property="og:url"          content="https://coteditor.com/releasenotes/6.0.1-beta.en"/>
+	<meta property="og:url"          content="https://coteditor.com/releasenotes/6.0.1.en"/>
 	<meta property="og:title"        content="CotEditor"/>
 	<meta property="og:description"  content="What's new on CotEditor 6.0.1"/>
 	<meta property="og:image"        content="https://coteditor.com/img/appicon/[email protected]"/>

releasenotes/6.0.2.en.html

@@ -9,7 +9,7 @@
 	<meta name="description"  content="What's new on CotEditor 6.0.2"/>
 
 	<meta property="og:type"         content="article"/>
-	<meta property="og:url"          content="https://coteditor.com/releasenotes/6.0.2-beta.en"/>
+	<meta property="og:url"          content="https://coteditor.com/releasenotes/6.0.2.en"/>
 	<meta property="og:title"        content="CotEditor"/>
 	<meta property="og:description"  content="What's new on CotEditor 6.0.2"/>
 	<meta property="og:image"        content="https://coteditor.com/img/appicon/[email protected]"/>