diff --git a/resources/ui_layout/colors.ini b/resources/ui_layout/colors.ini
index bc488a952..74a6323ab 100644
--- a/resources/ui_layout/colors.ini
+++ b/resources/ui_layout/colors.ini
@@ -1,5 +1,5 @@
 Unknown = C0C0C0
-Perimeter = FFFF66
+Internal perimeter = FFFF66
 External perimeter = FFA500
 Overhang perimeter = 0000FF
 Internal infill = B1302A