diff --git a/.github/workflows/notifications.yml b/.github/workflows/notifications.yml
index 63f241b..29d4de0 100644
--- a/.github/workflows/notifications.yml
+++ b/.github/workflows/notifications.yml
@@ -30,27 +30,27 @@ jobs:
           curl -X "POST" "https://api.sendgrid.com/v3/mail/send" \
                  -H "Authorization: Bearer $SENDGRID_API_KEY" \
                  -H 'Content-Type: application/json' \
-                 -d "{
-             \"from\":{
-                \"email\":\"notification-pr@simpleswitch.app\"
+                 -d '{
+             "from":{
+                "email":"notification-pr@simpleswitch.app"
              },
-             \"personalizations\":[
+             "personalizations":[
                 {
-                   \"to\":[
+                   "to":[
                       ${{ secrets.LIST_EMAILS_NOTIFICATIONS }}
                    ],
-                   \"dynamic_template_data\":{
-                      \"subject\": \"New PR opened : $PR on ${{ github.repository }}\",
-                      \"author\": \"${{ steps.email.outputs.email }}\",
-                      \"repo\": \"${{ github.repository }}\",
-                      \"source\": \"$SOURCE\",
-                      \"target\": \"$TARGET\",
-                      \"url\": \"${{ github.event.pull_request.html_url }}\",
+                   "dynamic_template_data":{
+                      "subject": "New PR opened : ${{ github.event.pull_request.title }} on ${{ github.repository }}",
+                      "author": "${{ steps.email.outputs.email }}",
+                      "repo": "${{ github.repository }}",
+                      "source": "${{ github.head_ref }}",
+                      "target": "${{ github.base_ref }}",
+                      "url": "${{ github.event.pull_request.html_url }}",
                    }
                 }
              ],
-             \"template_id\":\"${{ secrets.EMAIL_TEMPLATE_PR }}\"
-          }"
+             "template_id":"${{ secrets.EMAIL_TEMPLATE_PR }}"
+          }'
         env:
           SENDGRID_API_KEY: ${{ secrets.SENDGRID_API_KEY }}
           PR: ${{ github.event.pull_request.title }}