diff --git a/BUGS.mdwn b/BUGS.markdown
similarity index 100%
rename from BUGS.mdwn
rename to BUGS.markdown
diff --git a/KNOWN_BUGS.mdwn b/KNOWN_BUGS.markdown
similarity index 100%
rename from KNOWN_BUGS.mdwn
rename to KNOWN_BUGS.markdown
diff --git a/README.mdwn b/README.markdown
similarity index 100%
rename from README.mdwn
rename to README.markdown
diff --git a/SUPPORT.mdwn b/SUPPORT.markdown
similarity index 91%
rename from SUPPORT.mdwn
rename to SUPPORT.markdown
index 5cbe308..e34dd78 100644
--- a/SUPPORT.mdwn
+++ b/SUPPORT.markdown
@@ -9,8 +9,8 @@ If these are not sufficient resources please consider posting any
 queries you might have to the [mailing
 list](http://xen-tools.org/software/xen-tools/lists.html)
 
-Included with the release you should find the file `BUGS.mdwn` which
-contains some notes on reporting bugs.
+Included with the release you should find the file `BUGS.markdown`
+which contains some notes on reporting bugs.
 
 
 Xen Queries
diff --git a/TODO.mdwn b/TODO.markdown
similarity index 99%
rename from TODO.mdwn
rename to TODO.markdown
index 4ad8cd2..06e03ed 100644
--- a/TODO.mdwn
+++ b/TODO.markdown
@@ -1,7 +1,7 @@
 TODO
 ====
 
-See KNOWN_BUGS.mdwn for real bugs.
+See KNOWN_BUGS.markdown for real bugs.
 
 Bugs to fix and features to add for 4.3
 ---------------------------------------
diff --git a/debian/docs b/debian/docs
index 4843182..76fb25d 100644
--- a/debian/docs
+++ b/debian/docs
@@ -1,7 +1,7 @@
 AUTHORS
-README.mdwn
-SUPPORT.mdwn
-BUGS.mdwn
-TODO.mdwn
-KNOWN_BUGS.mdwn
+README.markdown
+SUPPORT.markdown
+BUGS.markdown
+TODO.markdown
+KNOWN_BUGS.markdown
 NEWS