diff --git a/.gitignore b/.gitignore
index 8b1f9b59..ab9ad704 100644
--- a/.gitignore
+++ b/.gitignore
@@ -132,4 +132,6 @@ cython_debug/
 
 .ruff_cache
 
-.idea
\ No newline at end of file
+.idea
+
+.vscode/
diff --git a/docs/user-guide/api/exceptions.md b/docs/user-guide/api/exceptions.md
index 9186ff96..d4b9cd7c 100644
--- a/docs/user-guide/api/exceptions.md
+++ b/docs/user-guide/api/exceptions.md
@@ -63,7 +63,7 @@ from app.core.exceptions.http_exceptions import ForbiddenException
 async def delete_user(
     user_id: int,
     current_user: Annotated[dict, Depends(get_current_user)]
-):
+        ):
     if current_user["id"] != user_id and not current_user["is_superuser"]:
         raise ForbiddenException("You can only delete your own account")
     
@@ -121,7 +121,7 @@ async def update_user(
     user_id: int,
     user_data: UserUpdate,
     db: AsyncSession
-):
+        ):
     # Check if user exists
     if not await crud_users.exists(db=db, id=user_id):
         raise NotFoundException("User not found")
@@ -143,7 +143,7 @@ async def get_post(
     post_id: int,
     current_user: Annotated[dict, Depends(get_current_user)],
     db: AsyncSession
-):
+        ):
     post = await crud_posts.get(db=db, id=post_id)
     if not post:
         raise NotFoundException("Post not found")
@@ -155,6 +155,10 @@ async def get_post(
     return post
 ```
 
+> **Note:**  
+> Some CRUD helper functions may evolve to return falsy-but-valid values (e.g. empty objects).  
+> To future-proof your API, prefer `if post is None:` instead of `if not post:` when checking existence.
+
 ## Validation Errors
 
 FastAPI automatically handles Pydantic validation errors, but you can catch and customize them: