diff --git a/backend/src/cookie/jwt.rs b/backend/src/cookie/jwt.rs
index 8f37315..e0a861c 100644
--- a/backend/src/cookie/jwt.rs
+++ b/backend/src/cookie/jwt.rs
@@ -57,8 +57,8 @@ pub fn encode_token(header: &Header, id: String, key: &EncodingKey) -> String {
 /// - `key`: The `DecodingKey` used to verify the JWT's signature.
 ///
 /// # Returns
-/// - `Ok(Claims)`: If the token is successfully decoded and verified, returns the extracted `Claims`.
-/// - `Err((StatusCode, Json<Error>))`: If the token is invalid, expired, or cannot be decoded,
+/// - `200 OK`: If the token is successfully decoded and verified, returns the extracted `Claims`.
+/// - `401 UNAUTHORIZED`: If the token is invalid, expired, or cannot be decoded,
 ///   returns an `UNAUTHORIZED` status code along with a JSON error message.
 pub fn decode_token(token: String, key: &DecodingKey) -> Result<Claims, (StatusCode, Json<Error>)> {
     let mut validation = jsonwebtoken::Validation::new(jsonwebtoken::Algorithm::HS256);
diff --git a/backend/src/cookie/validation.rs b/backend/src/cookie/validation.rs
index e1d238c..4d36f53 100644
--- a/backend/src/cookie/validation.rs
+++ b/backend/src/cookie/validation.rs
@@ -26,13 +26,13 @@ use crate::{AppState, cookie::jwt::decode_token, handlers::auth::filter_user, mo
 ///
 /// # Arguments
 /// - `cookies`: The `CookieJar` from the request, used to extract the `token` cookie.
-/// - `State(data)`: Application state containing `AppState` for database access and `token_secret`.
-/// - `mut request`: The incoming HTTP request, which will have user data injected into its extensions.
+/// - `request`: The incoming HTTP request, which will have user data injected into its extensions.
 /// - `next`: The next middleware or handler in the chain.
 ///
 /// # Returns
-/// - `Ok(impl IntoResponse)`: If validation succeeds, the request proceeds to the next handler.
-/// - `Err((StatusCode, Json<serde_json::Value>))`: An error response if validation fails.
+/// - `200 OK`: If validation succeeds, the request proceeds to the next handler.
+/// - `401 UNAUTHORIZED`: If validating the user fails.
+/// - `500 INTERNAL SERVER ERROR`: If the database query fails
 pub async fn validate_token(
     cookies: CookieJar,
     State(data): State<Arc<AppState>>,
@@ -119,14 +119,13 @@ pub async fn validate_token(
 ///
 /// # Arguments
 /// - `cookies`: The `CookieJar` from the request.
-/// - `State(data)`: Application state containing `AppState`.
-/// - `mut request`: The incoming HTTP request, which will have admin user data injected.
+/// - `request`: The incoming HTTP request, which will have admin user data injected.
 /// - `next`: The next middleware or handler in the chain.
 ///
 /// # Returns
-/// - `Ok(impl IntoResponse)`: If validation and admin check succeed, the request proceeds.
-/// - `Err((StatusCode, Json<serde_json::Value>))`: An error response if validation fails
-///   or the user is not an admin.
+/// - `200 OK`: If validation and admin check succeed, the request proceeds.
+/// - `401 UNAUTHORIZED`: An error response if validation fails or the user is not an admin.
+/// - `500 INTERNAL SERVER ERROR`: If the databse query fails
 pub async fn validate_admin(
     cookies: CookieJar,
     State(data): State<Arc<AppState>>,
diff --git a/backend/src/handlers/auth.rs b/backend/src/handlers/auth.rs
index 4d251cb..529d646 100644
--- a/backend/src/handlers/auth.rs
+++ b/backend/src/handlers/auth.rs
@@ -26,7 +26,7 @@ use crate::{
 /// before being stored. Only administrators can create new users.
 ///
 /// # Arguments
-/// - `request`: User creation details including first/last name, username, admin flag, and password
+/// - `request`: Json with [UserCreateScheme] as it's format
 ///
 /// # Returns
 /// - `200 OK` on successful user creation
@@ -110,10 +110,10 @@ pub async fn create_user(
 /// The token is valid for 1 hour.
 ///
 /// # Arguments
-/// - `request`: Login credentials (username, password)
+/// - `request`: Login credentials in Json format using the [LoginScheme]
 ///
 /// # Returns
-/// - `200 OK` with JSON containing token and filtered user info
+/// - `200 OK` with JSON containing token and [FilteredUser] info
 /// - `400 Bad Request` if username not found or password invalid
 /// - `500 Internal Server Error` if database query fails
 ///
@@ -231,7 +231,7 @@ pub async fn logout() -> Result<impl IntoResponse, (StatusCode, Json<serde_json:
 /// Useful for frontends to display logged-in user info or verify authentication.
 ///
 /// # Returns
-/// - `200 OK` with user data (excluding password)
+/// - `200 OK` with the [FilteredUser] in Json format
 /// - Automatically returns `401 Unauthorized` if not authenticated (middleware)
 ///
 /// # Example Response
@@ -306,7 +306,7 @@ pub async fn delete_user(
 /// Password hashes are not included in the response.
 ///
 /// # Returns
-/// - `200 OK` with array of FilteredUser objects
+/// - `200 OK` with array of [FilteredUser] objects
 /// - `500 Internal Server Error` if database query fails
 ///
 /// # Example Response
@@ -352,15 +352,11 @@ pub async fn get_users(
 
 /// Retrieves a single user's details by their ID.
 ///
-/// This endpoint allows fetching a specific user's information. It returns a `FilteredUser`
-/// object, ensuring sensitive data like password hashes are not exposed.
-///
 /// # Arguments
-/// - `Path(id)`: The ID of the user to retrieve, extracted from the URL path.
-/// - `State(data)`: Application state containing `AppState` for database access.
+/// - `id`: The ID of the user to retrieve, extracted from the URL path.
 ///
 /// # Returns
-/// - `200 OK` with a `FilteredUser` JSON object if the user is found.
+/// - `200 OK` with a [FilteredUser] JSON object if the user is found.
 /// - `404 Not Found` if a user with the given ID does not exist.
 /// - `500 Internal Server Error` if a database query error occurs.
 ///
@@ -396,17 +392,12 @@ pub async fn get_user_by_id(
 
 /// Updates an existing user's information.
 ///
-/// This endpoint allows administrators to modify a user's `first_name`, `last_name`,
-/// `username`, `is_admin` status, and optionally their password. If `new_pwd` in the
-/// request body is an empty string, the user's password remains unchanged.
-///
 /// # Arguments
-/// - `Path(id)`: The ID of the user to update, extracted from the URL path.
-/// - `State(data)`: Application state containing `AppState` for database access.
-/// - `Json(body)`: `UserUpdateScheme` containing the fields to update.
+/// - `id`: The ID of the user to update, extracted from the URL path.
+/// - `body`: [UserUpdateScheme] containing the fields to update.
 ///
 /// # Returns
-/// - `200 OK` with the `FilteredUser` object of the updated user.
+/// - `200 OK` with the [FilteredUser] object of the updated user.
 /// - `404 Not Found` if a user with the given ID does not exist.
 /// - `500 Internal Server Error` if a database query or password hashing error occurs.
 ///
@@ -470,11 +461,8 @@ pub async fn update_user(
 
 /// Checks if any administrator user exists in the system.
 ///
-/// This endpoint is used during initialization to determine if the setup page should be displayed.
-/// It counts all users with `is_admin = true` in the database.
-///
 /// # Returns
-/// - `200 OK` with JSON: `{"has_admin": bool}` - Whether at least one admin exists
+/// - `200 OK` On successful database query
 /// - `500 Internal Server Error` if database query fails
 ///
 /// # Example Response
@@ -507,7 +495,7 @@ pub async fn check_admin_exists(
 /// with proper authorization.
 ///
 /// # Arguments
-/// - `request`: User creation details (first_name, last_name, username, password)
+/// - `request`: [UserCreateScheme] as a Json value
 ///
 /// # Returns
 /// - `200 OK` with success message if admin account created
@@ -594,10 +582,10 @@ pub async fn setup_initial_admin(
 /// serializing User objects.
 ///
 /// # Arguments
-/// - `user`: Reference to the internal User struct containing password hash
+/// - `user`: Reference to the internal [User] struct containing password hash
 ///
 /// # Returns
-/// FilteredUser with only safe-to-share information:
+/// [FilteredUser] with only safe-to-share information:
 /// - `id`: User ID
 /// - `first_name`, `last_name`: User name
 /// - `username`: Login username
diff --git a/backend/src/handlers/ticket.rs b/backend/src/handlers/ticket.rs
index 8f05cfc..a9e0a46 100644
--- a/backend/src/handlers/ticket.rs
+++ b/backend/src/handlers/ticket.rs
@@ -21,7 +21,7 @@ use crate::{
 ///
 /// # Arguments
 /// - `user`: Authenticated user (extracted from JWT token)
-/// - `body`: Ticket details (category, subject, description, room)
+/// - `body`: Json with the [TicketCreateScheme] as it's format
 ///
 /// # Returns
 /// - `200 OK` on successful creation
@@ -95,17 +95,16 @@ pub async fn delete_ticket(
     Ok(StatusCode::NO_CONTENT)
 }
 
-/// Retrieves all non-archived tickets.
+/// Retrieves all tickets.
 ///
-/// Returns a list of all active tickets with user information denormalized for easier rendering.
+/// Returns a list of all tickets with user information denormalized for easier rendering.
 /// Tickets are ordered by creation date (newest first).
 ///
 /// # Filtering
-/// - Excludes tickets with status "Archived"
 /// - Uses LEFT JOIN to include creator information
 ///
 /// # Returns
-/// - `200 OK` with array of TicketResponse objects
+/// - `200 OK` with array of [TicketResponse] objects
 /// - `500 Internal Server Error` if database query fails
 ///
 /// # Example Response
@@ -174,7 +173,7 @@ pub async fn get_tickets(
 /// - `id`: Ticket ID to retrieve
 ///
 /// # Returns
-/// - `200 OK` with TicketResponse object
+/// - `200 OK` with [TicketResponse] object
 /// - `404 Not Found` if ticket doesn't exist
 /// - `500 Internal Server Error` if database error occurs
 ///
@@ -247,10 +246,10 @@ pub async fn get_ticket_by_id(
 ///
 /// # Arguments
 /// - `id`: Ticket ID to update
-/// - `body`: Update payload containing new status
+/// - `body`: Update payload as a Json array with [TicketUpdateScheme] as it's format
 ///
 /// # Returns
-/// - `200 OK` with updated TicketResponse
+/// - `200 OK` with updated [TicketResponse]
 /// - `500 Internal Server Error` if ticket not found or database error
 ///
 /// # Typical Status Flow
diff --git a/backend/src/main.rs b/backend/src/main.rs
index 689ca38..49f2bd4 100644
--- a/backend/src/main.rs
+++ b/backend/src/main.rs
@@ -29,18 +29,28 @@ use tower_http::cors::CorsLayer;
 
 use crate::env::Env;
 
+/// A variable to count the problems fixed by a very easy solution
 static EASY_FIX_COUNT: AtomicI64 = AtomicI64::new(0);
 
+/// The Response struct for the [EASY_FIX_COUNT]
 #[derive(Serialize)]
 struct CounterResp {
     value: i64,
 }
 
+/// Gets the [EASY_FIX_COUNT] value
+///
+/// # Returns
+/// - `200 OK` with the value on success
 async fn get_count() -> Json<CounterResp> {
     let v = EASY_FIX_COUNT.load(Ordering::SeqCst);
     Json(CounterResp { value: v })
 }
 
+/// Incremets the [EASY_FIX_COUNT] value by one
+///
+/// # Returns
+/// - `200 OK` with the new value on success
 async fn increment() -> Result<Json<CounterResp>, StatusCode> {
     let new = EASY_FIX_COUNT.fetch_add(1, Ordering::SeqCst) + 1;
     Ok(Json(CounterResp { value: new }))
diff --git a/frontend/src/lib.rs b/frontend/src/lib.rs
index e8e8222..5d4488e 100644
--- a/frontend/src/lib.rs
+++ b/frontend/src/lib.rs
@@ -91,7 +91,7 @@ fn sidebar_shell(props: &SidebarShellProps) -> Html {
     }
 }
 
-/// Props for the AdminCheckWrapper component.
+/// Props for the [AdminCheckWrapper] component.
 #[derive(Properties, PartialEq)]
 pub struct AdminCheckWrapperProps {
     pub children: Children,
@@ -166,7 +166,7 @@ fn admin_check_wrapper(props: &AdminCheckWrapperProps) -> Html {
 
 /// The main routing logic for the application.
 ///
-/// This function takes a `Route` enum variant and returns the corresponding HTML
+/// This function takes a [Route] enum variant and returns the corresponding HTML
 /// content to be rendered. It acts as a central dispatcher for the application's
 /// navigation.
 ///
@@ -259,12 +259,12 @@ fn switch(route: Route) -> Html {
 /// The root component of the Yew application.
 ///
 /// This component sets up the application's routing using `yew-router`'s
-/// [`BrowserRouter`] and [`Switch`] components. All other application content
+/// `BrowserRouter` and `Switch` components. All other application content
 /// is rendered based on the current route.
 ///
 /// # Structure
-/// - [`BrowserRouter`]: Enables client-side routing.
-/// - [`Switch`]: Renders components based on the matched [`Route`].
+/// - `BrowserRouter`: Enables client-side routing.
+/// - `Switch`: Renders components based on the matched [Route].
 #[component(App)]
 pub fn app() -> Html {
     html! {
diff --git a/frontend/src/pages/basic_pages.rs b/frontend/src/pages/basic_pages.rs
index fe5850e..1c02cde 100644
--- a/frontend/src/pages/basic_pages.rs
+++ b/frontend/src/pages/basic_pages.rs
@@ -97,10 +97,6 @@ pub fn not_found_component() -> Html {
 
 /// A component displayed when a user attempts to access a page for which they do not have sufficient permissions.
 ///
-/// It informs the user about the access restriction and provides instructions to contact
-/// a specific person ("Herr Winter") if they believe this is an error.
-/// It also includes a link to return to the home page.
-///
 /// # Example
 /// ```rust
 /// html! {