Update preview-docs.yml

Author: datapythonista

.github/workflows/preview-docs.yml

@@ -15,8 +15,8 @@ jobs:
     steps:
     - if: github.event.comment.body == '/preview'
       run: |
-        if curl --output /dev/null --silent --head --fail "https://pandas.pydata.org/preview/${{ github.event.issue.number }}"; then
-          curl -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" -d '{"body": "Website preview of this PR available at: https://pandas.pydata.org/preview/${{ github.event.issue.number }}"}' https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }}/comments
+        if curl --output /dev/null --silent --head --fail "https://pandas.pydata.org/preview/${{ github.event.issue.number }}/"; then
+          curl -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" -d '{"body": "Website preview of this PR available at: https://pandas.pydata.org/preview/${{ github.event.issue.number }}/"}' https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }}/comments
         else
-          curl -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" -d '{"body": "No preview found for PR ${{ github.event.issue.number }}"}' https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }}/comments
+          curl -H "Authorization: token ${{ secrets.GITHUB_TOKEN }}" -d '{"body": "No preview found for PR #${{ github.event.issue.number }}"}' https://api.github.com/repos/${{ github.repository }}/issues/${{ github.event.issue.number }}/comments
         fi