diff --git a/source/blender/src/buttons_object.c b/source/blender/src/buttons_object.c
index 802262083df..4d96f0cb5a8 100644
--- a/source/blender/src/buttons_object.c
+++ b/source/blender/src/buttons_object.c
@@ -1644,8 +1644,8 @@ void object_panel_effects(Object *ob)
 			uiDefButS(block, ROW, B_CALCEFFECT, "Int",		875,9,32,43, &paf->texmap, 14.0, 0.0, 0, 0, "Use texture intensity as a factor for texture force");
 
 			uiBlockBeginAlign(block);
-			uiDefButS(block, ROW, B_CALCEFFECT, "RGB",		911,31,45,20, &paf->texmap, 14.0, 1.0, 0, 0, "Use RGB values as a factor for particle speed");
-			uiDefButS(block, ROW, B_CALCEFFECT, "Grad",		958,31,44,20, &paf->texmap, 14.0, 2.0, 0, 0, "Use texture gradient as a factor for particle speed");
+			uiDefButS(block, ROW, B_CALCEFFECT, "RGB",		911,31,45,20, &paf->texmap, 14.0, 1.0, 0, 0, "Use RGB values as a factor for particle speed vector");
+			uiDefButS(block, ROW, B_CALCEFFECT, "Grad",		958,31,44,20, &paf->texmap, 14.0, 2.0, 0, 0, "Use texture gradient as a factor for particle speed vector");
 			uiDefButF(block, NUM, B_CALCEFFECT, "Nabla:",		911,9,91,20, &paf->nabla, 0.0001f, 1.0, 1, 0, "Specify the dimension of the area for gradient calculation");
 
 		}