mention error diffusion in tooltip

Author: spacek531

rct-graphics-helper/properties/general_properties.py

@@ -96,7 +96,7 @@ class GeneralProperties(bpy.types.PropertyGroup):
 
     dithering_strength = bpy.props.IntProperty(
         name = "Dithering Strength",
-        description = "Floyd-Steinberg dithering strength",
+        description = "Floyd-Steinberg error diffusion",
         default = 35,
         min = 1,
         max = 100