chore: fix typo (#41)

Author: hadrien

README.md

@@ -10,8 +10,8 @@ A highly opinionated [SQLAlchemy] extension for [FastAPI]:
 * `fastapi_sqla.Base` a declarative base class to reflect DB tables at startup;
 * `fastapi_sqla.Session` a dependency to get an sqla session;
 * `fastapi_sqla.open_session` a context manager to get an sqla session;
-* `fastapi_sqla.async_support.AsyncSession` a dependency to get an async sqla session ;
-* `fastapi_sqla.async_support.open_session` a context manager to get an async sqla
+* `fastapi_sqla.asyncio_support.AsyncSession` a dependency to get an async sqla session ;
+* `fastapi_sqla.asyncio_support.open_session` a context manager to get an async sqla
   session;
 * Automated commit/rollback of sqla session at the end of request before returning
   response;
@@ -282,7 +282,7 @@ from pytest import fixture
 
 @fixture
 def sqla_modules():
-    from er import sqla  # noqa
+    from app import sqla  # noqa
 ```
 
 ### `db_url`
@@ -293,7 +293,7 @@ When `CI` key is set in environment variables, it defaults to using `postgres` a
 host name:
 
 ```
-postgresql://postgres@posgres/postgres
+postgresql://postgres@postgres/postgres
 ```
 
 In other cases, the host is set to `localhost`: