diff --git a/screens/SignInScreen.js b/screens/SignInScreen.js
index c5f538ec8d1c4e11c47f4719ddfe9280691da0f4..18a3abd32a4c85b8068c9f6dce82f680640fb34b 100644
--- a/screens/SignInScreen.js
+++ b/screens/SignInScreen.js
@@ -19,6 +19,13 @@ import { Button } from "react-native-paper";
 import CustomActivityIndicator from "../components/CustomActivityIndicator";
 import { NAME_MAX_LENGTH } from "../constants/inputRequirements";
 
+/**
+ * This component renders the screen where the user can sign in. The actual sign in process is done in a user action through redux. 
+ * 
+ * @param {*} props - used for redux and navigation. 
+ * 
+ * @returns the component. 
+ */
 const _SignInScreen = (props) => {
   const { onUserLogin } = props;
 
diff --git a/screens/SignUpScreen.js b/screens/SignUpScreen.js
index be2a42e0e91fa57e2652e37c3916a3494fd4ee2c..03b266a5d6107603ef03ed93bb982b628674cf01 100644
--- a/screens/SignUpScreen.js
+++ b/screens/SignUpScreen.js
@@ -24,6 +24,14 @@ import APIKit from "../APIkit";
 import CustomActivityIndicator from "../components/CustomActivityIndicator";
 import { toast500, toastError, toastSuccess } from "../constants/toasts";
 
+/**
+ * This component renders the screen where the user can create a new user. They will be navigated to the sign in screen when the user is
+ * created, and has to wait for an administrator to grant them access to use the application. 
+ * 
+ * @param {*} navigation - extracted from props, used for navigation
+ * 
+ * @returns the component. 
+ */
 const SignUpScreen = ({ navigation }) => {
   const [name, setName] = useState("");
   const [email, setEmail] = useState("");
diff --git a/screens/VerifyPasswordScreen.js b/screens/VerifyPasswordScreen.js
index 0d7a2e8ad1c5b35e0c4eadabda980494bc23e8e7..06e1cd0484dad56eade252290c90e86d8a401b1b 100644
--- a/screens/VerifyPasswordScreen.js
+++ b/screens/VerifyPasswordScreen.js
@@ -12,6 +12,15 @@ import APIKit from "../APIkit";
 import CustomActivityIndicator from "../components/CustomActivityIndicator";
 import { toast500, toastError } from "../constants/toasts";
 
+/**
+ * This component renders the screen where the user needs to re-authenticate to get access to a critical feature. 
+ * 
+ * @param {*} route - extracted from props, used to get data from the previous screen. In this case, to know which screen should be 
+ *                    navigated to next. 
+ * @param {*} navigation - extracted from props, used for navigation. 
+ *  
+ * @returns the component. 
+ */
 const VerifyPasswordScreen = ({ route, navigation }) => {
   const { nextNavigation } = route.params;