diff --git a/lib/src/model/literal.rs b/lib/src/model/literal.rs
index d1aea2f3..cde52a32 100644
--- a/lib/src/model/literal.rs
+++ b/lib/src/model/literal.rs
@@ -75,12 +75,12 @@ impl Literal {
 
     /// Builds a RDF [language-tagged string](https://www.w3.org/TR/rdf11-concepts/#dfn-language-tagged-string)
     ///
-    /// It is the responability of the caller to check that `language`
+    /// It is the responsibility of the caller to check that `language`
     /// is valid [BCP47](https://tools.ietf.org/html/bcp47) language tag,
     /// and is lowercase.
     ///
-    /// If in doubt, you should rather use
-    /// [`new_language_tagged_literal`](#method.new_language_tagged_literal).
+    /// Except if you really know what you do,
+    /// you should use [`new_language_tagged_literal`](#method.new_language_tagged_literal).
     pub fn new_language_tagged_literal_unchecked(
         value: impl Into<String>,
         language: impl Into<String>,
diff --git a/lib/src/model/named_node.rs b/lib/src/model/named_node.rs
index dcd55420..87723d79 100644
--- a/lib/src/model/named_node.rs
+++ b/lib/src/model/named_node.rs
@@ -32,10 +32,9 @@ impl NamedNode {
 
     /// Builds a RDF [IRI](https://www.w3.org/TR/rdf11-concepts/#dfn-iri) from a string.
     ///
-    /// Note that it is the caller's responsibility to ensure that `iri`
-    /// is a valid IRI.
+    /// It is the caller's responsibility to ensure that `iri` is a valid IRI.
     ///
-    /// See also [`parse`](#method.parse).
+    /// Except if you really know what you do, you should use [`parse`](#method.parse).
     pub fn new_unchecked(iri: impl Into<String>) -> Self {
         Self { iri: iri.into() }
     }