[DOCS] Fix link to role mapping doc

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

@@ -222,7 +222,7 @@ Your SAML users cannot do anything until they are assigned roles. This can be do
 through either the {stack-ov}/saml-role-mapping.html[role mapping API], or with
 {stack-ov}/realm-chains.html#authorization_realms[authorization realms].
 
-NOTE: You cannot use {stack-ov}/defining-roles.html#roles-management-file[role mapping files]
+NOTE: You cannot use {stack-ov}/mapping-roles.html#mapping-roles-file[role mapping files]
 to grant roles to users authenticating via SAML.
 
 --

x-pack/docs/en/security/authentication/saml-guide.asciidoc

@@ -625,7 +625,7 @@ through either the
 {ref}/security-api-put-role-mapping.html[add role mapping API], or with
 <<authorization_realms, authorization realms>>.
 
-NOTE: You cannot use {stack-ov}/defining-roles.html#roles-management-file[role mapping files]
+NOTE: You cannot use {stack-ov}/mapping-roles.html#mapping-roles-file[role mapping files]
 to grant roles to users authenticating via SAML.
 
 This is an example of a simple role mapping that grants the `kibana_user` role