Fix typo in README

Author: sir-sigurd

Diff for: README.md

@@ -211,7 +211,7 @@ type = "datetime.datetime"
 
 ### Example with fully custom type
 
-In this example scalar is represented as class `TypeB`. Pydantic can\`t handle serialization and deserialization so custom `parse` and `serialize` is necessary. To provide `type`, `parse` and `serialize` implementation we can use `files_to_include` to copy `type_b.py` file.
+In this example scalar is represented as class `TypeB`. Pydantic can't handle serialization and deserialization so custom `parse` and `serialize` is necessary. To provide `type`, `parse` and `serialize` implementation we can use `files_to_include` to copy `type_b.py` file.
 
 ```toml
 [tool.ariadne-codegen]