replace : with =
diff --git a/Tools/idle/config-unix.txt b/Tools/idle/config-unix.txt
index e3170d0..be9fa81 100644
--- a/Tools/idle/config-unix.txt
+++ b/Tools/idle/config-unix.txt
@@ -1,3 +1,3 @@
 [EditorWindow]
-font-name: courier
-font-size: 10
+font-name= courier
+font-size= 10