diff --git a/_posts/release_notes/2015-12-04-release-notes-5-4-1.html.md b/_posts/release_notes/2015-12-04-release-notes-5-4-1.md
similarity index 100%
rename from _posts/release_notes/2015-12-04-release-notes-5-4-1.html.md
rename to _posts/release_notes/2015-12-04-release-notes-5-4-1.md
diff --git a/_posts/release_notes/release_notes_5_4_2.md b/_posts/release_notes/2016-05-29-release-notes-5-4-2.md
similarity index 98%
rename from _posts/release_notes/release_notes_5_4_2.md
rename to _posts/release_notes/2016-05-29-release-notes-5-4-2.md
index c4e70b291f..ec7cb9feb5 100644
--- a/_posts/release_notes/release_notes_5_4_2.md
+++ b/_posts/release_notes/2016-05-29-release-notes-5-4-2.md
@@ -2,10 +2,10 @@
 title: Release Notes 5.4.2
 tags: [release_notes]
 keywords: release notes, announcements, what's new, new features
-last_updated: June 25, 2016
+last_updated: May 29, 2016
 summary: "Version 5.4.2 of the PMD Open Source Project, released May 29, 2016."
 sidebar: mydoc_sidebar
-permalink: release_notes_5_4_2.html
+permalink: 2016-05-29-release-notes-5-4-2.html
 folder: mydoc
 ---