[DOCS] Fix typo in LDAP config docs (#59953)

x-pack/docs/en/security/authentication/configuring-ldap-realm.asciidoc

@@ -19,7 +19,7 @@ However, multiple bind operations might be needed to find the correct user DN.
 
 . To configure an `ldap` realm with user search:
 
-.. Add a realm configuration of to `elasticsearch.yml` under the
+.. Add a realm configuration to `elasticsearch.yml` under the
 `xpack.security.authc.realms.ldap` namespace. At a minimum, you must specify
 the `url` and `order` of the LDAP server, and set `user_search.base_dn` to the
 container DN where the users are searched for.
@@ -207,4 +207,4 @@ xpack:
 --------------------------------------------------
 --
 
-. Set up SSL to encrypt communications between {es} and LDAP. See <<tls-ldap>>. 
+. Set up SSL to encrypt communications between {es} and LDAP. See <<tls-ldap>>.