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### Description
it's a typo fix
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This pull request is:
- [x] A documentation / typographical error fix
- Good to go, no issue or tests are needed
- [ ] A short code fix
- please include the issue number, and create an issue if none exists, which
must include a complete example of the issue. one line code fixes without an
issue and demonstration will not be accepted.
- Please include: `Fixes: #<issue number>` in the commit message
- please include tests. one line code fixes without tests will not be accepted.
- [ ] A new feature implementation
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include a complete example of how the feature would look.
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**Have a nice day!**
Closes: #5689
Pull-request: https://github.com/sqlalchemy/sqlalchemy/pull/5689
Pull-request-sha:
3823b2552da2a7b7a345979ad6283d848c0ec7a5
Change-Id: I170e7bea60182ebec8867499b2ea171d813fc49a
an ad-hoc event loop. This mode of operation is of **limited use**
and is for special testing scenarios only. The mode can be enabled by
adding the SQLAlchemy-specific flag ``async_fallback`` to the URL
-in conjunction with :func:`_sa.craete_engine`::
+in conjunction with :func:`_sa.create_engine`::
# for testing purposes only; do not use in production!
engine = create_engine("postgresql+asyncpg://user:pass@hostname/dbname?async_fallback=true")