Update documentation.

Author: Codex-

README.md

@@ -19,10 +19,11 @@ steps:
     id: return-dispatch
     with:
       token: ${{ secrets.TOKEN }} # Note this is NOT GITHUB_TOKEN but a PAT
-      ref: Target_Branch
+      ref: target_branch # or refs/heads/target_branch
       repo: repository-name
       owner: repository-owner
       workflow: automation-test.yml
+      workflow_inputs: { "some_input": "value" }
       workflow_timeout_seconds: 300
 
   - name: Use the output run ID

action.yml

@@ -9,7 +9,7 @@ outputs:
     description: "The identified Run ID."
 inputs:
   token:
-    description: "GitHub API token for making requests."
+    description: "GitHub Personal Access Token for making API requests."
     required: true
   ref:
     description: "The git reference for the workflow. The reference can be a branch or tag name."