diff --git a/basic_materials_copper_wire.png b/basic_materials_copper_wire.png
index 556d0b6..0293354 100644
Binary files a/basic_materials_copper_wire.png and b/basic_materials_copper_wire.png differ
diff --git a/changelog.txt b/changelog.txt
index 9088681..26f7cff 100644
--- a/changelog.txt
+++ b/changelog.txt
@@ -1,7 +1,7 @@
 2018-11-11: Rename and consolidate cement and concrete images. Use 
 basic_materials filenames, make cement darker. Rename other 
 images as needed to use basic_materials filenames.  Add gold and
-silver wire.
+silver wire. Brightened-up copper wire a bit.
 
 2018-10-31: remove lower-res Lua controller images