chatgpt-revision.yaml: fix

Author: miltondp

.github/workflows/chatgpt-revision.yaml

@@ -38,7 +38,7 @@ jobs:
         env:
           OPENAI_API_KEY: ${{ secrets.OPENAI_API_KEY }}
           AI_EDITOR_LANGUAGE_MODEL: ${{ inputs.model }}
-          AI_EDITOR_FILENAMES_TO_REVISE: ${{ inputs.model }}
+          AI_EDITOR_FILENAMES_TO_REVISE: ${{ inputs.file_names }}
           # More variables can be specified to control the behavior of the model:
           #  https://github.com/greenelab/manubot-ai-editor/blob/main/libs/manubot/ai_editor/env_vars.py
         run: python ci/run-manuscript-editor.py