diff --git a/README.md b/README.md
index a2cf9b5..ae0f16d 100644
--- a/README.md
+++ b/README.md
@@ -7,7 +7,7 @@ A GitHub action for styling files with [prettier](https://prettier.io).
 ### Parameters
 
 | Parameter | Required | Default | Description |
-| - | - | - | - |
+| - | :-: | :-: | - |
 | prettier_options | :x: | --write **/*.js | Prettier options (by default it applies to the whole repository) |
 | commit_options | :x: | No options. | Custom git commit options |
 | commit_message | :x: | Prettified Code! | Custom git commit message |