Admin.php: use a better instruction for the password

Admin.php

@@ -71,10 +71,10 @@ if ($_SESSION['user_type'] != "Lecturer" && $_SESSION['user_type'] != "Admin") {
 			<input type="text" name="fullname" placeholder="Full Name" class="form-control" required=""> <br>
 			Email
 			<input type="text" name="email" placeholder="Email / Student Number" class="form-control" > <br>
-                Initial password
+                Initial password (Enter a strong password or leave it empty to let LRR generate one)
 
             <input type="password" class="form-control" name="password" minlength="8" placeholder="Initial password" >
-            Leave it empty to let LRR generate a strong password for you.<br><br>
+            <br><br>
 			User type:
 
                 <?php