diff --git a/rtdata/languages/default b/rtdata/languages/default
index f7931fde2..41b1df930 100644
--- a/rtdata/languages/default
+++ b/rtdata/languages/default
@@ -3197,7 +3197,7 @@ TP_WAVELET_LEVCH;Chroma
 TP_WAVELET_LEVDIR_ALL;All levels, in all directions
 TP_WAVELET_LEVDIR_INF;Finer details levels, with selected level
 TP_WAVELET_LEVDIR_ONE;One level
-TP_WAVELET_LEVDIR_SUP;Above the level
+TP_WAVELET_LEVDIR_SUP;Coarser details levels, without selected level
 TP_WAVELET_LEVELS;Wavelet levels
 TP_WAVELET_LEVELS_TOOLTIP;Choose the number of detail levels the image is to be decomposed into. More levels require more RAM and require a longer processing time.
 TP_WAVELET_LEVF;Contrast