diff --git a/README.md b/README.md
index 5fba58d..bba704d 100644
--- a/README.md
+++ b/README.md
@@ -51,4 +51,5 @@
 
 Any item can be altered to any equivalent one.
 In that case, rewrite command names in each script to preferable ones.
-
+You may want to replace window manager(fvwm2) to desktop environment
+and/or terminal emulator(kterm) to modern one.