Update documentation regarding repeatable @propertysource support

See gh-30941

framework-docs/modules/ROOT/pages/core/beans/environment.adoc

@@ -771,11 +771,9 @@ resolved to the corresponding value. If not, then `default/path` is used
 as a default. If no default is specified and a property cannot be resolved, an
 `IllegalArgumentException` is thrown.
 
-NOTE: The `@PropertySource` annotation is repeatable, according to Java 8 conventions.
-However, all such `@PropertySource` annotations need to be declared at the same
-level, either directly on the configuration class or as meta-annotations within the
-same custom annotation. Mixing direct annotations and meta-annotations is not
-recommended, since direct annotations effectively override meta-annotations.
+NOTE: `@PropertySource` can be used as a repeatable annotation. `@PropertySource`
+may also be used as a meta-annotation to create custom composed annotations with
+attribute overrides.