diff --git a/README.md b/README.md
index ac784b8..a68a5ec 100644
--- a/README.md
+++ b/README.md
@@ -84,8 +84,8 @@ Gist Parameter | Description
 `maxColorRange` | Maximum value in the range used to define the message color.
 `minColorRange` | Minimum value in the range used to define the message color.
 `invertColorRange` | If the range should be inverted, causing a smaller value to have green color.
-  `colorRangeSaturation` |  Saturation used by the color range feature. Defaults to 100%.
-  `colorRangeLightness` |  Lightness used by the color range feature. Defaults to 40%.
+`colorRangeSaturation` |  Saturation used by the color range feature. Defaults to 100%.
+`colorRangeLightness` |  Lightness used by the color range feature. Defaults to 40%.
 
 ### Using Environment Variables as Parameters [![badge](https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/schneegans/2ab8f1d386f13aaebccbd87dac94068d/raw/answer.json)](https://img.shields.io/endpoint?url=https://gist.githubusercontent.com/schneegans/2ab8f1d386f13aaebccbd87dac94068d/raw/answer.json)
 
diff --git a/action.yml b/action.yml
index bcbb430..2742a53 100644
--- a/action.yml
+++ b/action.yml
@@ -61,6 +61,12 @@ inputs:
   invertColorRange:
     description: 'If the range should be inverted, causing a smaller value to have green color.'
     required: false
+  colorRangeSaturation:
+    description: 'Saturation used by the color range feature. Defaults to 100%.'
+    required: false
+  colorRangeLightness:
+    description: 'Lightness used by the color range feature. Defaults to 40%.
+    required: false
 runs:
   using: 'node12'
   main: 'index.js'