* docs: fix typo in chapter "Request Body" in "Tutorial - User Guide"
* docs: modify a sentence in chapter "Query Parameters and String Validations" in "Tutorial - User Guide"
* docs: fix two grammatical mistakes in chapter "Path Parameters and Numeric Validations" in "Tutorial - User Guide"
## Request body + path parameters
-You can declare path parameters and body requests at the same time.
+You can declare path parameters and request body at the same time.
**FastAPI** will recognize that the function parameters that match path parameters should be **taken from the path**, and that function parameters that are declared to be Pydantic models should be **taken from the request body**.
* `le`: `l`ess than or `e`qual
!!! info
- `Query`, `Path` and others you will see later subclasses of a common `Param` class (that you don't need to use).
+ `Query`, `Path`, and others you will see later are subclasses of a common `Param` class (that you don't need to use).
And all of them share the same all these same parameters of additional validation and metadata you have seen.
## Additional validation
-We are going to enforce that even though `q` is optional, whenever it is provided, it **doesn't exceed a length of 50 characters**.
+We are going to enforce that even though `q` is optional, whenever it is provided, **its length doesn't exceed 50 characters**.
### Import `Query`