Fixes

Author: javiereguiluz

reference/configuration/security.rst

@@ -35,6 +35,9 @@ Configuration
 
 **Advanced Options**:
 
+Some of these options define tens of sub-options and they are explained in
+separate articles:
+
 * `access_control`_
 * `acl`_
 * `encoders`_
@@ -354,34 +357,33 @@ depend on the authentication mechanism, which can be any of these:
 .. code-block:: yaml
 
     # app/config/security.yml
-
-        security:
-            # ...
-            firewalls:
-                main:
-                    # ...
-                        x509:
-                            # ...
-                        remote_user:
-                            # ...
-                        simple_preauth:
-                            # ...
-                        guard:
-                            # ...
-                        form_login:
-                            # ...
-                        form_login_ldap:
-                            # ...
-                        json_login:
-                            # ...
-                        simple_form:
-                            # ...
-                        http_basic:
-                            # ...
-                        http_basic_ldap:
-                            # ...
-                        http_digest:
-                            # ...
+    security:
+        # ...
+        firewalls:
+            main:
+                # ...
+                    x509:
+                        # ...
+                    remote_user:
+                        # ...
+                    simple_preauth:
+                        # ...
+                    guard:
+                        # ...
+                    form_login:
+                        # ...
+                    form_login_ldap:
+                        # ...
+                    json_login:
+                        # ...
+                    simple_form:
+                        # ...
+                    http_basic:
+                        # ...
+                    http_basic_ldap:
+                        # ...
+                    http_digest:
+                        # ...
 
 .. _reference-security-firewall-form-login:
 
@@ -774,4 +776,4 @@ role inheritance rules by creating a role hierarchy, as explained in
 .. _`Symfony ACL Bundle`: https://github.com/symfony/acl-bundle
 .. _`Argon2 key derivation function`: https://en.wikipedia.org/wiki/Argon2
 .. _`bcrypt password hashing function`: https://en.wikipedia.org/wiki/Bcrypt
-.. _`password salt`: https://en.wikipedia.org/wiki/Salt_(cryptography)
+.. _`cryptographic salt`: https://en.wikipedia.org/wiki/Salt_(cryptography)