diff --git a/src/main/java/edu/group5/app/control/AuthController.java b/src/main/java/edu/group5/app/control/AuthController.java
index 7c34afd..11c3288 100644
--- a/src/main/java/edu/group5/app/control/AuthController.java
+++ b/src/main/java/edu/group5/app/control/AuthController.java
@@ -95,8 +95,9 @@ public void handleSignUp(SignUpPageView view, String firstName, String lastName,
     privacyPolicy.setHeaderText("Accept Privacy Policy");
     privacyPolicy.setContentText(
         "Your user information like:\n" +
-            "Name and email—as well as donations tied to your account—will be saved locally on your machine.\n" +
-            "By creating an account, you accept the right of our app to store this information.");
+        "Name and email—as well as donations tied to your account—will be saved locally on your machine.\n" +
+        "This information is only used to create your account, and no data will be sold to third parties.\n" +
+        "By creating an account, you accept the right of our app to store this information on your computer.");
 
     if (privacyPolicy.showAndWait().orElse(ButtonType.CANCEL) == ButtonType.OK) {
       boolean success = userService.registerUser(
diff --git a/src/main/java/edu/group5/app/model/user/UserService.java b/src/main/java/edu/group5/app/model/user/UserService.java
index 6bee483..e6439f1 100644
--- a/src/main/java/edu/group5/app/model/user/UserService.java
+++ b/src/main/java/edu/group5/app/model/user/UserService.java
@@ -51,7 +51,8 @@ public boolean registerUser(String role, String firstName, String lastName,
         firstName == null || firstName.trim().isEmpty() ||
         lastName == null || lastName.trim().isEmpty() ||
         email == null || email.trim().isEmpty() ||
-        passwordHash == null || passwordHash.trim().isEmpty()) {
+        passwordHash == null || passwordHash.trim().isEmpty() ||
+        this.getUserByEmail(email) != null) {
       return false;
     }
     User user;