diff --git a/README.md b/README.md
index 28b7f18..b83eaae 100644
--- a/README.md
+++ b/README.md
@@ -203,6 +203,11 @@ color_thresholds:
   - value: 4
     color: "#0000ff"
 ```
+The example above will result in the following colors of the graph: if value is 
+* between `0` (including this value) and  `1.33333`, the color is `#ff0000`,
+* between `1.33333` (including this value) and `2.666667`, the color is `#ffff00`,
+* between `2.666667` (including this value) and `4`, the color is `#00ff00`,
+* equal to or more than `4`, the color is `#0000ff`.
 
 As a shorthand, you can just use a color string for the stops that you want interpolated: