diff --git a/inc/caldav-DELETE.php b/inc/caldav-DELETE.php
index 6367f2b9..24fc90b1 100644
--- a/inc/caldav-DELETE.php
+++ b/inc/caldav-DELETE.php
@@ -58,7 +58,7 @@ if ( $request->IsCollection() ) {
     }
   }
   else {
-      $request->DoResponse( 404, "");
+    $request->DoResponse( 404 );
   }
 }
 else {
@@ -69,7 +69,7 @@ else {
   if ( $qry->Exec("DELETE") && $qry->rows == 1 ) {
     $delete_row = $qry->Fetch();
     if ( (isset($request->etag_if_match) && $request->etag_if_match != $delete_row->dav_etag) ) {
-      $request->DoResponse( 412, translate("Resource does not match 'If-Match' header - not deleted") );
+      $request->DoResponse( 412, translate("Resource has changed on server - not deleted") );
     }
     $qry = new PgQuery( "DELETE FROM caldav_data WHERE user_no = ? AND dav_name = ?;", $request->user_no, $request->path );
     if ( $qry->Exec("DELETE") ) {
@@ -81,7 +81,7 @@ else {
     }
   }
   else {
-      $request->DoResponse( 404, "");
+    $request->DoResponse( 404 );
   }
 }
 
diff --git a/inc/caldav-PUT.php b/inc/caldav-PUT.php
index 1b14c5ac..2238d4c9 100644
--- a/inc/caldav-PUT.php
+++ b/inc/caldav-PUT.php
@@ -77,7 +77,7 @@ elseif ( $qry->rows < 1 ) {
     * entity exists, the server MUST NOT perform the requested method, and
     * MUST return a 412 (Precondition Failed) response.
     */
-    $request->DoResponse( 412, translate("No existing resource matching 'If-Match' header - not accepted.") );
+    $request->DoResponse( 412, translate("Resource changed on server - not changed.") );
   }
 
   $put_action_type = 'INSERT';