diff --git a/.github/workflows/digger_workflow.yml b/.github/workflows/digger_workflow.yml
index 1ad9061..4660b97 100644
--- a/.github/workflows/digger_workflow.yml
+++ b/.github/workflows/digger_workflow.yml
@@ -1,6 +1,11 @@
 name: Digger Workflow
 
 on:
+  pull_request:
+    branches: [ "main" ]
+    types: [ opened, synchronize ]
+  issue_comment:
+    types: [created]
   workflow_dispatch:
     inputs:
       id:
@@ -14,7 +19,7 @@ on:
         required: false
       spec:
         description: 'spec input for digger'
-        required: false
+        required: true
 
 run-name: ${{ inputs.run_name}}
 
@@ -32,7 +37,7 @@ jobs:
     steps:
       - name: digger run ${{github.event.inputs.id}}
         run: echo digger run ${{ inputs.id }}
-        shell: bash      
+        shell: bash
       - uses: actions/checkout@v4
       
       - uses: diggerhq/digger@vLatest
diff --git a/prod/main.tf b/prod/main.tf
index ed17668..fd96376 100644
--- a/prod/main.tf
+++ b/prod/main.tf
@@ -7,9 +7,6 @@ terraform {
   }
     backend "s3" {
     bucket = "amzn-digger-demo-s3"              # Change if a different S3 bucket name was used for the backend 
-    /* Un-comment to use DynamoDB state locking
-    dynamodb_table = "digger-locktable-quickstart-aws"      # Change if a different DynamoDB table name was used for backend
-    */
     key    = "terraform/state"
     region = "us-east-1"
   }