doc: use "With Additional Control Maps" term in the modes page (#659)

Author: sindharta

com.unity.toonshader/Documentation~/Modes.md

@@ -6,5 +6,5 @@ The **Unity Toon Shader** mode that controls which workflow to apply in the shad
 
 |  Mode   |  Description  | Image  |
 | ---- | ---- | ---- |
-|  Standard   |  Standard provides basic cel-shading techniques.  | <img alt="A toon-shaded sphere with three blue color bands and a light blue specular highlight." src="images/SphereStandard.png">  |
-|  With Advanced Control Map  |  With Advanced Control Map provides more complex cel-shading techniques with several additional control maps. | <img alt="A toon-shaded sphere with a jagged repeating pattern of three blue color bands." src="images/SphereWithAdvanced.png">  |
+|  **Standard**   |  Standard provides basic cel-shading techniques.  | <img alt="A toon-shaded sphere with three blue color bands and a light blue specular highlight." src="images/SphereStandard.png">  |
+|  **With Additional Control Maps**  |  **With Additional Control Maps** provides more complex cel-shading techniques with several additional control maps. | <img alt="A toon-shaded sphere with a jagged repeating pattern of three blue color bands." src="images/SphereWithAdvanced.png">  |