chore: update hyperlink (#32051)

Author: mdrxy

.github/PULL_REQUEST_TEMPLATE.md

@@ -22,13 +22,11 @@ Thank you for contributing to LangChain! Follow these steps to mark your pull re
   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.
 
-- [ ] **Lint and test**: Run `make format`, `make lint` and `make test` from the root of the package(s) you've modified. **We will not consider a PR unless these three are passing in CI.** See contribution guidelines for more: <https://python.langchain.com/docs/contributing/>
+- [ ] **Lint and test**: Run `make format`, `make lint` and `make test` from the root of the package(s) you've modified. **We will not consider a PR unless these three are passing in CI.** See [contribution guidelines](https://python.langchain.com/docs/contributing/) for more.
 
 Additional guidelines:
 
 - Make sure optional dependencies are imported within a function.
 - Please do not add dependencies to `pyproject.toml` files (even optional ones) unless they are **required** for unit tests.
 - Most PRs should not touch more than one package.
 - Changes should be backwards compatible.
-
-If no one reviews your PR within a few days, please @-mention one of eyurtsev, ccurme, mdrxy.