diff --git a/README.md b/README.md
index a374431..db53267 100644
--- a/README.md
+++ b/README.md
@@ -46,8 +46,15 @@ jobs:
 
 ## Inputs
 
-| Name | Description | Required | Default |
-| --- | --- | --- | --- |
-| token | GitHub token for storing results | false | ${{ github.token }} |
-| check | Check changed files | false | true |
-| codelimit-version | CodeLimit version | false | 'latest' |
+- `token`:
+  Description: GitHub token for storing results  
+  Required: false
+  Default: ${{ github.token }}
+- `check`:
+  Description: Check changed files
+  Required: false
+  Default: true
+- `codelimit_version`:
+  Desciption: CodeLimit version
+  Required: false 
+  Default: 'latest'
diff --git a/action.yml b/action.yml
index 69a0645..0579b1c 100644
--- a/action.yml
+++ b/action.yml
@@ -15,7 +15,7 @@ inputs:
     description: 'Check changed files'
     required: false
     default: true
-  codelimit-version:
+  codelimit_version:
     description: 'CodeLimit version'
     required: false
     default: 'latest'
\ No newline at end of file
diff --git a/src/action.ts b/src/action.ts
index 0a2667c..9e36e61 100644
--- a/src/action.ts
+++ b/src/action.ts
@@ -128,7 +128,7 @@ async function updateRepository(octokit: Octokit, clBinary: string) {
 
 async function main() {
     info(`CodeLimit-action, version: ${version.revision}`);
-    const codeLimitVersion = getInput('codelimit-version') || 'latest';
+    const codeLimitVersion = getInput('codelimit_version') || 'latest';
     info(`CodeLimit version requested: ${codeLimitVersion}`);
     let clBinary;
     if (codeLimitVersion === 'latest') {