diff --git a/section_16/authserver/src/main/java/com/eazybytes/authserver/config/EazyBankUserDetailsService.java b/section_16/authserver/src/main/java/com/eazybytes/authserver/config/EazyBankUserDetailsService.java
index d3ac5a6..b2c77d6 100644
--- a/section_16/authserver/src/main/java/com/eazybytes/authserver/config/EazyBankUserDetailsService.java
+++ b/section_16/authserver/src/main/java/com/eazybytes/authserver/config/EazyBankUserDetailsService.java
@@ -22,6 +22,8 @@ public class EazyBankUserDetailsService implements UserDetailsService {
 
     @Override
     public UserDetails loadUserByUsername(String username) throws UsernameNotFoundException {
+
+        // this class loadUserByUsername
         Customer customer = customerRepository.findByEmail(username).orElseThrow(() -> new
                 UsernameNotFoundException("User details not found for the user: " + username));
         List<GrantedAuthority> authorities = customer.getAuthorities().stream().map(authority -> new