diff --git a/lib/RELEASE-NOTES b/lib/RELEASE-NOTES
index 875c095cfa..8debb19b16 100644
--- a/lib/RELEASE-NOTES
+++ b/lib/RELEASE-NOTES
@@ -72,8 +72,10 @@
 
 
 !!Changes with respect to external programs and libraries in 2.3:
+
 * Inkscape SVG with separate LaTeX + PDF output is experimentally supported.
 
+* Add some editor/viewer applications to (re)configure checks.
 
 !!Known issues in version 2.3.0
 
diff --git a/lib/configure.py b/lib/configure.py
index 3d4c0cff07..e43e1b5774 100644
--- a/lib/configure.py
+++ b/lib/configure.py
@@ -686,6 +686,7 @@ def checkFormatEntries(dtl_tools):
 \Format eps3       eps    "EPS (cropped)"         "" "%%"	""	"document"	""
 \Format ps         ps      Postscript             t  "%%"	""	"document,vector,menu=export"	"application/postscript"'''])
     # for xdg-open issues look here: http://www.mail-archive.com/lyx-devel@lists.lyx.org/msg151818.html
+    # maybe use "bestApplication()" from https://github.com/jleclanche/python-mime
     # the MIME type is set for pdf6, because that one needs to be autodetectable by libmime
     checkViewer('a PDF previewer',
                 ['pdfview', 'kpdf', 'okular', 'qpdfview --unique',