diff --git a/README.md b/README.md
index f70e4f1..c8978fc 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,6 @@
 <p align="center">
   <a href="https://github.com/igorbenav/fastcrud">
-    <img src="https://github.com/igorbenav/fastcrud/blob/main/assets/fastcrud.png?raw=true" alt="FastCRUD written in white with a drawing of a gear and inside this gear a bolt." width="45%" height="auto">
+    <img src="https://github.com/igorbenav/fastcrud/blob/main/assets/fastcrud_with_background.png?raw=true" alt="FastCRUD written in white with a drawing of a gear and inside this gear a bolt." width="45%" height="auto">
   </a>
 </p>
 <p align="center" markdown=1>
@@ -70,16 +70,20 @@ Below are examples demonstrating both approaches:
 
 <h3>Using crud_router for Automatic Endpoint Creation</h3>
 
+> \[!WARNING\]
+> For now, your primary column must be named `id` or automatic endpoint creation will not work.
+
 Here's a quick example to get you started:
 
 <h4>Define Your Model and Schema</h4>
 
 ```python
 from sqlalchemy import Column, Integer, String
-from sqlalchemy.orm import declarative_base
+from sqlalchemy.orm import DeclarativeBase
 from pydantic import BaseModel
 
-Base = declarative_base()
+class Base(DeclarativeBase):
+    pass
 
 class Item(Base):
     __tablename__ = 'items'
diff --git a/assets/fastcrud_with_background.png b/assets/fastcrud_with_background.png
new file mode 100644
index 0000000..98eadd4
Binary files /dev/null and b/assets/fastcrud_with_background.png differ
diff --git a/pyproject.toml b/pyproject.toml
index 7cbdb06..0a94fd2 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "fastcrud"
-version = "0.1.0"
+version = "0.1.3"
 description = "FastCRUD is a Python package for FastAPI, offering robust async CRUD operations and flexible endpoint creation utilities."
 authors = ["Igor Benav <igor.magalhaes.r@gmail.com>"]
 license = "MIT"