diff --git a/.github/workflows/example-slinky.yml b/.github/workflows/example-slinky.yml
index 49ee205..222527a 100644
--- a/.github/workflows/example-slinky.yml
+++ b/.github/workflows/example-slinky.yml
@@ -17,16 +17,6 @@ jobs:
 
       - name: Run Slinky link checker
         uses: ./
-        with:
-          path: .
-          patterns: "**/*"
-          concurrency: "16"
-          timeout: "10"
-          json-out: results.json
-          md-out: results.md
-          fail-on-failures: "true"
-          comment-pr: "true"
-          step-summary: "true"
 
       - name: Upload results
         if: always()
diff --git a/action.yml b/action.yml
index a3a263e..b85b2b1 100644
--- a/action.yml
+++ b/action.yml
@@ -22,27 +22,27 @@ inputs:
     description: "HTTP timeout seconds"
     required: false
     default: "10"
-  json-out:
+  json_out:
     description: "Optional path to write JSON results"
     required: false
     default: "results.json"
-  md-out:
+  md_out:
     description: "Optional path to write Markdown report for PR comment"
     required: false
     default: "results.md"
-  repo-blob-base:
+  repo_blob_base:
     description: "Override GitHub blob base URL (https://github.com/<owner>/<repo>/blob/<sha>)"
     required: false
     default: ""
-  fail-on-failures:
+  fail_on_failures:
     description: "Fail the job if any links fail"
     required: false
     default: "true"
-  comment-pr:
+  comment_pr:
     description: "If running on a PR, post a comment with the report"
     required: false
     default: "true"
-  step-summary:
+  step_summary:
     description: "Append the report to the GitHub Step Summary"
     required: false
     default: "true"
@@ -56,17 +56,17 @@ runs:
     INPUT_PATTERNS: ${{ inputs.patterns }}
     INPUT_CONCURRENCY: ${{ inputs.concurrency }}
     INPUT_TIMEOUT: ${{ inputs.timeout }}
-    INPUT_JSON_OUT: ${{ inputs["json-out"] }}
-    INPUT_MD_OUT: ${{ inputs["md-out"] }}
-    INPUT_REPO_BLOB_BASE: ${{ inputs["repo-blob-base"] }}
-    INPUT_FAIL_ON_FAILURES: ${{ inputs["fail-on-failures"] }}
-    INPUT_COMMENT_PR: ${{ inputs["comment-pr"] }}
-    INPUT_STEP_SUMMARY: ${{ inputs["step-summary"] }}
+    INPUT_JSON_OUT: ${{ inputs.json_out }}
+    INPUT_MD_OUT: ${{ inputs.md_out }}
+    INPUT_REPO_BLOB_BASE: ${{ inputs.repo_blob_base }}
+    INPUT_FAIL_ON_FAILURES: ${{ inputs.fail_on_failures }}
+    INPUT_COMMENT_PR: ${{ inputs.comment_pr }}
+    INPUT_STEP_SUMMARY: ${{ inputs.step_summary }}
 
 outputs:
-  json-path:
+  json_path:
     description: "Path to JSON results file"
-  md-path:
+  md_path:
     description: "Path to Markdown report file"