Make path wording clearer

Co-authored-by: WATANABE Yuki <[email protected]>

doc/faq.txt

@@ -48,8 +48,8 @@ variable to a different value. Please consult your OS's documentation to learn
 how to configure these variables in detail.
 
 If you want to apply the same configuration every time you start yash, write
-the command in ~/.config/yashrc or ~/.config/yash_profile. You can also write
-to ~/.yashrc or ~/.yash_profile.
+the command in ~/.config/yashrc or ~/.config/yash_profile. The old locations
+~/.yashrc and ~/.yash_profile are also supported as a fallback.
 
 If yash still rejects Unicode characters being entered, see the section below
 regarding line-editing.