diff --git a/Configuration.md b/Configuration.md
index 559fa25..41f1efb 100644
--- a/Configuration.md
+++ b/Configuration.md
@@ -201,8 +201,11 @@ background-0 =
 ; Note: This shouldn't be used together with border-size because the border 
 ; doesn't get rounded. For this to work you may also need to enable 
 ; pseudo-transparency or use a compositor like compton.
-; Individual top/bottom values can be defined using:
+; Individual values can be defined using:
 ;   radius-{top,bottom}
+; or
+;   radius-{top,bottom}-{left,right} (unreleased)
+; Polybar always uses the most specific radius definition for each corner.
 radius = 0.0
 
 ; Under-/overline pixel size and argb color