Fix typo in authentication docs (#84)

diff --git a/docs/src/documents/Security/Authentication.md b/docs/src/documents/Security/Authentication.md
index c8245d0..3bdb5f7 100644
--- a/docs/src/documents/Security/Authentication.md
+++ b/docs/src/documents/Security/Authentication.md
@@ -116,7 +116,7 @@
 
 <SyntaxHighlighter wrapLines={true} language="shell" style={theme.dark}>
 {`atlas.authentication.method.ldap.url=ldap://<Ldap server ip>:389
-atlas.authentication.method.ldap.userDNpattern=uid={0],ou=users,dc=example,dc=com
+atlas.authentication.method.ldap.userDNpattern=uid={0},ou=users,dc=example,dc=com
 atlas.authentication.method.ldap.groupSearchBase=dc=example,dc=com
 atlas.authentication.method.ldap.groupSearchFilter=(member=cn={0},ou=users,dc=example,dc=com
 atlas.authentication.method.ldap.groupRoleAttribute=cn