✏️ Fix typo in docs/tutorial (#943)

Author: luco17

docs/tutorial/create-db-and-table.md

@@ -354,7 +354,7 @@ But we will talk about it later.
 
 ### Engine Database URL
 
-Each supported database has it's own URL type. For example, for **SQLite** it is `sqlite:///` followed by the file path. For example:
+Each supported database has its own URL type. For example, for **SQLite** it is `sqlite:///` followed by the file path. For example:
 
 * `sqlite:///database.db`
 * `sqlite:///databases/local/application.db`
@@ -470,7 +470,7 @@ If you didn't know about SQLAlchemy before and are just learning **SQLModel**, y
 
 You can read a lot more about the engine in the <a href="https://docs.sqlalchemy.org/en/14/tutorial/engine.html" class="external-link" target="_blank">SQLAlchemy documentation</a>.
 
-**SQLModel** defines it's own `create_engine()` function. It is the same as SQLAlchemy's `create_engine()`, but with the difference that it defaults to use `future=True` (which means that it uses the style of the latest SQLAlchemy, 1.4, and the future 2.0).
+**SQLModel** defines its own `create_engine()` function. It is the same as SQLAlchemy's `create_engine()`, but with the difference that it defaults to use `future=True` (which means that it uses the style of the latest SQLAlchemy, 1.4, and the future 2.0).
 
 And SQLModel's version of `create_engine()` is type annotated internally, so your editor will be able to help you with autocompletion and inline errors.
 

docs/tutorial/indexes.md

@@ -90,7 +90,7 @@ Do you like **fancy words**? Cool! Programmers tend to like fancy words. 😅
 
 That <abbr title="a recipe, a sequence of predefined steps that achieve a result">algorithm</abbr> I showed you above is called **Binary Search**.
 
-It's called like that because you **search** something by splitting the dictionary (or any ordered list of things) in **two** ("binary" means "two") parts. And you do that process multiple times until you find what you want.
+It's called that because you **search** something by splitting the dictionary (or any ordered list of things) in **two** ("binary" means "two") parts. And you do that process multiple times until you find what you want.
 
 ///
 

docs/tutorial/select.md

@@ -713,7 +713,7 @@ In this chapter we are touching some of them.
 
 When importing from `sqlmodel` the `select()` function, you are using **SQLModel**'s version of `select`.
 
-SQLAchemy also has it's own `select`, and SQLModel's `select` uses SQLAlchemy's `select` internally.
+SQLAchemy also has its own `select`, and SQLModel's `select` uses SQLAlchemy's `select` internally.
 
 But SQLModel's version does a lot of **tricks** with type annotations to make sure you get the best **editor support** possible, no matter if you use **VS Code**, **PyCharm**, or something else. ✨