diff --git a/README b/README
index 87a5bf4dfca2f8806f6a24b14df31a2134b8e422..9f0f509ae93d25fa58658df78f401bddf350acfc 100644
--- a/README
+++ b/README
@@ -25,7 +25,7 @@ the following line:
 
 export QT_QPA_PLATFORMTHEME=qt6ct
 
-(or qt5ct for compatibility)
+(or qt5ct for compatibility with Qt5 Configuration Tool)
 
 Now restart X11 server to take the changes effect.