diff --git a/source/blender/src/buttons_object.c b/source/blender/src/buttons_object.c
index 72a4a6289d2..a2f5440926e 100644
--- a/source/blender/src/buttons_object.c
+++ b/source/blender/src/buttons_object.c
@@ -2380,7 +2380,7 @@ static void object_panel_fluidsim(Object *ob)
 
 			uiDefButS(block, ROW, REDRAWBUTSOBJECT ,"Inflow",	    90, yline, 70,objHeight, &fss->type, 15.0, OB_FLUIDSIM_INFLOW,  20.0, 4.0, "Object adds fluid to the simulation.");
 			uiDefButS(block, ROW, REDRAWBUTSOBJECT ,"Outflow",   160, yline, 70,objHeight, &fss->type, 15.0, OB_FLUIDSIM_OUTFLOW, 20.0, 5.0, "Object removes fluid from the simulation.");
-			uiDefButS(block, ROW, B_FLUIDSIM_MAKEPART ,"Particle",	 230, yline, 70,objHeight, &fss->type, 15.0, OB_FLUIDSIM_PARTICLE,20.0, 3.0, "Object is a fixed obstacle.");
+			uiDefButS(block, ROW, B_FLUIDSIM_MAKEPART ,"Particle",	 230, yline, 70,objHeight, &fss->type, 15.0, OB_FLUIDSIM_PARTICLE,20.0, 3.0, "Object is made a particle system to display particles generated by a fluidsim domain object.");
 			uiBlockEndAlign(block);
 			yline -= lineHeight;
 			yline -= 2*separateHeight;