Update in docs

Author: Yauhenikapl

documentation/modules/ROOT/pages/datatypes.adoc

@@ -93,7 +93,7 @@ definition in the respective standards and an informative description of their v
 |===
 
 NOTE: When using `rdf:langString`, a language tag *must always* be provided using the `@` syntax (e.g., `"Hello"@en`).
-Using a typed literal form such as `"Hello"^^rdf:langString` is *invalid* and *should cause* the model loading or validation to fail."
+Using a typed literal form such as `"Hello"^^rdf:langString` is *invalid* and *should cause* the model loading or validation to fail.
 
 The following types defined by the XSD and RDF specifications, respectively, are considered
 unsuitable in Aspect Models and _should not_ be used:

documentation/modules/ROOT/pages/modeling-guidelines.adoc

@@ -171,12 +171,6 @@ is `xsd:int`, a value with the type `xsd:short` is also acceptable. Refer to sec
 for more details. | {nok}
 |===
 
-When using `rdf:langString`, a language tag *must always* be provided using the `@` syntax, for example:
-
-* `:x samm:exampleValue "Hello"@en` ✔️
-* `:x samm:exampleValue "Hallo"@de` ✔️
-* `:x samm:exampleValue "Hello"^^rdf:langString` ❌ (invalid — missing language tag)
-
 Example with Literal type:
 
 [source,turtle,subs="attributes+"]