docs: fix typo (#29012)
Thank you for contributing to LangChain!
- [x] **PR title**: "docs: fix typo"
- [x] **PR message**: ***Delete this entire checklist*** and replace
with
- **Description:** a minor fix of typo
- **Issue:** NA
- **Dependencies:** NA
- **Twitter handle:** NA
- [x] **Add tests and docs**: If you're adding a new integration, please
include
1. ~~a test for the integration, preferably unit tests that do not rely
on network access,~~
2. ~~an example notebook showing its use. It lives in
`docs/docs/integrations` directory.~~
- [x] **Lint and test**: Run `make format`, `make lint` and `make test`
from the root of the package(s) you've modified. See contribution
guidelines for more: https://python.langchain.com/docs/contributing/
