diff --git a/DOCUMENTATION.md b/DOCUMENTATION.md
index 5c77fdf..23ec75d 100644
--- a/DOCUMENTATION.md
+++ b/DOCUMENTATION.md
@@ -608,8 +608,8 @@ The method to verify usernames and passwords.
 
 Available backends:
 
-`None`
-: Just allows all usernames and passwords. It also disables rights checking.
+`none`
+: Just allows all usernames and passwords.
 
 `htpasswd`
 : Use an
@@ -626,7 +626,7 @@ Available backends:
   authentication. This can be used to provide the user name from a reverse
   proxy.
 
-Default: `None`
+Default: `none`
 
 #### htpasswd_filename
 
@@ -684,9 +684,6 @@ address books directly via URL.
 
 Available backends:
 
-`None`
-: Everyone can read and write everything.
-
 `authenticated`
 : Authenticated users can read and write everything.