diff --git a/CHANGELOG.md b/CHANGELOG.md
index 8b7f4849..5321a547 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -11,6 +11,7 @@
 * [#690](https://github.com/SAML-Toolkits/ruby-saml/pull/690) Remove deprecated `settings.security[:embed_sign]` parameter.
 * [#697](https://github.com/SAML-Toolkits/ruby-saml/pull/697) Add deprecation for various parameters in `RubySaml::Settings`.
 * [#709](https://github.com/SAML-Toolkits/ruby-saml/pull/709) Allow passing in `Net::HTTP` `:open_timeout`, `:read_timeout`, and `:max_retries` settings to `IdpMetadataParser#parse_remote`.
+* [#715](https://github.com/SAML-Toolkits/ruby-saml/pull/715) Fix typo in error when SPNameQualifier value does not match the SP entityID.
 
 ### 1.17.0
 * [#687](https://github.com/SAML-Toolkits/ruby-saml/pull/687) Add CI coverage for Ruby 3.3 and Windows.
diff --git a/lib/ruby_saml/response.rb b/lib/ruby_saml/response.rb
index a12007ea..74fb58fc 100644
--- a/lib/ruby_saml/response.rb
+++ b/lib/ruby_saml/response.rb
@@ -804,7 +804,7 @@ def validate_name_id
         end
 
         if !(settings.sp_entity_id.nil? || settings.sp_entity_id.empty? || name_id_spnamequalifier.nil? || name_id_spnamequalifier.empty?) && (name_id_spnamequalifier != settings.sp_entity_id)
-            return append_error("The SPNameQualifier value mistmatch the SP entityID value.")
+            return append_error('SPNameQualifier value does not match the SP entityID value.')
         end
       end
 
diff --git a/test/response_test.rb b/test/response_test.rb
index be9a437e..497be241 100644
--- a/test/response_test.rb
+++ b/test/response_test.rb
@@ -1027,7 +1027,7 @@ def generate_audience_error(expected, actual)
         settings.sp_entity_id = 'sp_entity_id'
         response_wrong_spnamequalifier.settings = settings
         assert !response_wrong_spnamequalifier.send(:validate_name_id)
-        assert_includes response_wrong_spnamequalifier.errors, "The SPNameQualifier value mistmatch the SP entityID value."
+        assert_includes response_wrong_spnamequalifier.errors, 'SPNameQualifier value does not match the SP entityID value.'
       end
 
       it "return true when no nameid element but not required by settings" do