Improve multi-paint tip

source/blender/makesrna/intern/rna_scene.c

@@ -2088,8 +2088,8 @@ static void rna_def_tool_settings(BlenderRNA  *brna)
 	prop = RNA_def_property(srna, "use_multipaint", PROP_BOOLEAN, PROP_NONE);
 	RNA_def_property_boolean_sdna(prop, NULL, "multipaint", 1);
 	RNA_def_property_ui_text(prop, "WPaint Multi-Paint",
-	                         "Paint across all selected bones while "
-	                         "weight painting");
+	                         "Paint across the weights of all selected bones, "
+	                         "maintaining their relative influence");
 	RNA_def_property_update(prop, 0, "rna_Scene_update_active_object_data");
 
 	prop = RNA_def_property(srna, "vertex_group_user", PROP_ENUM, PROP_NONE);