Merge branch '2.6.x' into 2.7.x

Closes gh-31846

spring-boot-project/spring-boot-docs/src/docs/asciidoc/web/spring-security.adoc

@@ -264,7 +264,7 @@ You can register multiple relying parties under the `spring.security.saml2.relyi
                     certificate-location: "path-to-certificate"
                 singlelogout:
                    url: "https://myapp/logout/saml2/slo"
-                   reponse-url: "https://remoteidp2.slo.url"
+                   response-url: "https://remoteidp2.slo.url"
                    binding: "POST"
 	            assertingparty:
 	              verification:

spring-boot-project/spring-boot/src/main/java/org/springframework/boot/BootstrapRegistry.java

@@ -1,5 +1,5 @@
 /*
- * Copyright 2012-2021 the original author or authors.
+ * Copyright 2012-2022 the original author or authors.
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
@@ -163,7 +163,7 @@ public interface BootstrapRegistry {
 	}
 
 	/**
-	 * The scope of a instance.
+	 * The scope of an instance.
 	 * @since 2.4.2
 	 */
 	enum Scope {