Fix some typos in docs

docs/conversions.md

@@ -23,7 +23,7 @@ Conversion is registered using `apischema.deserializer`/`apischema.serializer` f
 
 When used as function decorator, the `Source`/`Target` types are directly extracted from the conversion function signature. 
 
-`serializer` can be called on methods/properties, in which case `Source` type is inferred to be th owning type.
+`serializer` can be called on methods/properties, in which case `Source` type is inferred to be the owning type.
 
 ```python
 {!conversions.py!}

docs/data_model.md

@@ -22,7 +22,7 @@ With some teasing of features presented later:
 ```
 
 !!! note
-    Field's metadata are just an ordinary `dict`; *apischema* provides some functions to enrich these metadata with its own keys (`alias("foo_bar)` is roughly equivalent to `{"_apischema_alias": "foo_bar"}) and use them when the time comes, but metadata are not reserved to *apischema* and other keys can be added.
+    Field's metadata are just an ordinary `dict`; *apischema* provides some functions to enrich these metadata with its own keys (`alias("foo_bar")` is roughly equivalent to `{"_apischema_alias": "foo_bar"}) and use them when the time comes, but metadata are not reserved to *apischema* and other keys can be added.
 
     Because [PEP 584](https://www.python.org/dev/peps/pep-0584/) is painfully missing before Python 3.9, *apischema* metadata use their own subclass of `dict` just to add `|` operator for convenience in all Python versions.