diff --git a/src/main/java/edu/group5/app/control/DonationController.java b/src/main/java/edu/group5/app/control/DonationController.java
index 9118c7e..5c700b0 100644
--- a/src/main/java/edu/group5/app/control/DonationController.java
+++ b/src/main/java/edu/group5/app/control/DonationController.java
@@ -12,6 +12,10 @@
 import java.util.Map;
 import java.util.Set;
 
+/**
+ * A controller that handles the logic pertaining to
+ * making donations and getting data via {@link DonationService}.
+ */
 public class DonationController {
   private final AppState appState;
   private final NavigationController nav;
@@ -27,17 +31,21 @@ public Map<Integer, Donation> getUserDonations(int userId) {
     return service.getDonationRepository().filterByUser(userId);
   }
 
-  public Set<Integer> getUniqueOrgs() {
+  public Set<Integer> getUniqueOrganizations() {
     Map<Integer, Donation> userDonations = getUserDonations(appState.getCurrentUser().getUserId());
 
-    Set<Integer> uniqueOrgs = new HashSet<>();
+    Set<Integer> uniqueOrganizations = new HashSet<>();
     for (Donation donation : userDonations.values()) {
-      uniqueOrgs.add(donation.organizationId());
+      uniqueOrganizations.add(donation.organizationId());
     }
 
-    return uniqueOrgs;
+    return uniqueOrganizations;
   }
 
+  /**
+   * Handles the creation of a new donation via {@link DonationService}
+   * and {@link AppState}.
+   */
   public void handleDonate() {
     // Get session data from MainController
     User currentUser = appState.getCurrentUser();
diff --git a/src/main/java/edu/group5/app/control/LoginController.java b/src/main/java/edu/group5/app/control/LoginController.java
index cdd5b5f..d9cb35e 100644
--- a/src/main/java/edu/group5/app/control/LoginController.java
+++ b/src/main/java/edu/group5/app/control/LoginController.java
@@ -7,6 +7,10 @@
 import edu.group5.app.view.loginpage.SignInPageView;
 import org.springframework.security.crypto.bcrypt.BCryptPasswordEncoder;
 
+/**
+ * A controller that handles the logic pertaining to {@link User}
+ * sign in, login and logout via {@link UserService}.
+ */
 public class LoginController {
   private final AppState appState;
   private final NavigationController nav;
@@ -18,6 +22,15 @@ public LoginController(AppState appState, NavigationController nav, UserService
     this.userService = userService;
   }
 
+  /**
+   * Handles the sign in of a new {@link User}.
+   *
+   * @param view view connected to the sign in.
+   * @param firstName first name of the {@link User}.
+   * @param lastName last name of the {@link User}.
+   * @param email email of the {@link User}.
+   * @param passwordChars password of the {@link User}.
+   */
   public void handleSignIn(SignInPageView view, String firstName, String lastName, String email, char[] passwordChars) {
     if (firstName == null || firstName.trim().isEmpty() ||
         lastName == null || lastName.trim().isEmpty() ||
@@ -44,6 +57,13 @@ public void handleSignIn(SignInPageView view, String firstName, String lastName,
     }
   }
 
+  /**
+   * Handles the login of a {@link User}.
+   *
+   * @param view view connected to the login.
+   * @param email email of the {@link User}.
+   * @param passwordChars password of the {@link User}.
+   */
   public void handleLogin(LoginPageView view, String email, char[] passwordChars) {
     if (email == null || email.trim().isEmpty() || passwordChars == null || passwordChars.length == 0) {
       view.showError("Email and password are required");
@@ -60,6 +80,9 @@ public void handleLogin(LoginPageView view, String email, char[] passwordChars)
     }
   }
 
+  /**
+   * Handles the logout of a {@link User}.
+   */
   public void handleLogout() {
     appState.setCurrentUser(null);
     appState.setCurrentOrganization(null);
diff --git a/src/main/java/edu/group5/app/control/NavigationController.java b/src/main/java/edu/group5/app/control/NavigationController.java
index ddab7e2..db16c95 100644
--- a/src/main/java/edu/group5/app/control/NavigationController.java
+++ b/src/main/java/edu/group5/app/control/NavigationController.java
@@ -16,6 +16,9 @@
 import edu.group5.app.view.userpage.UserPageView;
 import javafx.scene.layout.BorderPane;
 
+/**
+ * A controller that handles the switching of views in the root node.
+ */
 public class NavigationController {
   private final BorderPane root;
   private final Header header;
diff --git a/src/main/java/edu/group5/app/control/OrganizationController.java b/src/main/java/edu/group5/app/control/OrganizationController.java
index 499b7c9..62a787c 100644
--- a/src/main/java/edu/group5/app/control/OrganizationController.java
+++ b/src/main/java/edu/group5/app/control/OrganizationController.java
@@ -7,6 +7,10 @@
 import java.util.Map;
 import java.util.concurrent.CompletableFuture;
 
+/**
+ * A controller that handles the data being passed to
+ * the view via the {@link OrganizationService}.
+ */
 public class OrganizationController {
   private final AppState appState;
   private final NavigationController nav;
diff --git a/src/main/java/edu/group5/app/view/userpage/UserPageView.java b/src/main/java/edu/group5/app/view/userpage/UserPageView.java
index b410761..d416916 100644
--- a/src/main/java/edu/group5/app/view/userpage/UserPageView.java
+++ b/src/main/java/edu/group5/app/view/userpage/UserPageView.java
@@ -85,7 +85,7 @@ private VBox createCausesSection() {
 
     User currentUser = appState.getCurrentUser();
 
-    Set<Integer> uniqueOrgs = donationController.getUniqueOrgs();
+    Set<Integer> uniqueOrgs = donationController.getUniqueOrganizations();
 
     if (uniqueOrgs.isEmpty()) {
       Label noCauses = new Label("No causes supported yet");