diff --git a/news/rm_texinfo.rst b/news/rm-texinfo.rst
similarity index 100%
rename from news/rm_texinfo.rst
rename to news/rm-texinfo.rst
diff --git a/src/diffpy/pdfgui/gui/aboutdialog.py b/src/diffpy/pdfgui/gui/aboutdialog.py
index fb242433..821bddd0 100644
--- a/src/diffpy/pdfgui/gui/aboutdialog.py
+++ b/src/diffpy/pdfgui/gui/aboutdialog.py
@@ -128,13 +128,13 @@ def __init__(self, *args, **kwds):
         self.label_svnrevision.SetLabel(revision)
 
         # set bitmaps for logo buttons
-        logo = wx.Bitmap(iconpath("nsf_logo.png"))
+        logo = wx.Bitmap(iconpath("nsf-logo.png"))
         self.bitmap_button_nsf.SetBitmapLabel(logo)
-        logo = wx.Bitmap(iconpath("danse_logo.png"))
+        logo = wx.Bitmap(iconpath("danse-logo.png"))
         self.bitmap_button_danse.SetBitmapLabel(logo)
-        logo = wx.Bitmap(iconpath("msu_logo.png"))
+        logo = wx.Bitmap(iconpath("msu-logo.png"))
         self.bitmap_button_msu.SetBitmapLabel(logo)
-        logo = wx.Bitmap(iconpath("columbia_logo.png"))
+        logo = wx.Bitmap(iconpath("columbia-logo.png"))
         self.bitmap_button_columbia.SetBitmapLabel(logo)
 
         # resize dialog window to fit version number nicely
diff --git a/src/diffpy/pdfgui/icons/C60_16x16.png b/src/diffpy/pdfgui/icons/C60-16x16.png
similarity index 100%
rename from src/diffpy/pdfgui/icons/C60_16x16.png
rename to src/diffpy/pdfgui/icons/C60-16x16.png
diff --git a/src/diffpy/pdfgui/icons/columbia_logo.png b/src/diffpy/pdfgui/icons/columbia-logo.png
similarity index 100%
rename from src/diffpy/pdfgui/icons/columbia_logo.png
rename to src/diffpy/pdfgui/icons/columbia-logo.png
diff --git a/src/diffpy/pdfgui/icons/danse_logo.png b/src/diffpy/pdfgui/icons/danse-logo.png
similarity index 100%
rename from src/diffpy/pdfgui/icons/danse_logo.png
rename to src/diffpy/pdfgui/icons/danse-logo.png
diff --git a/src/diffpy/pdfgui/icons/msu_logo.png b/src/diffpy/pdfgui/icons/msu-logo.png
similarity index 100%
rename from src/diffpy/pdfgui/icons/msu_logo.png
rename to src/diffpy/pdfgui/icons/msu-logo.png
diff --git a/src/diffpy/pdfgui/icons/nsf_logo.png b/src/diffpy/pdfgui/icons/nsf-logo.png
similarity index 100%
rename from src/diffpy/pdfgui/icons/nsf_logo.png
rename to src/diffpy/pdfgui/icons/nsf-logo.png