diff --git a/src/Saml2/Response.php b/src/Saml2/Response.php
index 68b2b8ec..b987ca44 100644
--- a/src/Saml2/Response.php
+++ b/src/Saml2/Response.php
@@ -655,7 +655,7 @@ public function getNameIdData()
                         $spEntityId = $spData['entityId'];
                         if ($spEntityId != $nameId->getAttribute($attr)) {
                             throw new ValidationError(
-                                "The SPNameQualifier value mistmatch the SP entityID value.",
+                                "The SPNameQualifier value mismatch the SP entityID value.",
                                 ValidationError::SP_NAME_QUALIFIER_NAME_MISMATCH
                             );
                         }
diff --git a/tests/src/OneLogin/Saml2/ResponseTest.php b/tests/src/OneLogin/Saml2/ResponseTest.php
index d3c7898c..258313a6 100644
--- a/tests/src/OneLogin/Saml2/ResponseTest.php
+++ b/tests/src/OneLogin/Saml2/ResponseTest.php
@@ -199,7 +199,7 @@ public function testReturnNameId()
             $nameId10 = $response10->getNameId();
             $this->fail('ValidationError was not raised');
         } catch (ValidationError $e) {
-            $this->assertStringContainsString('The SPNameQualifier value mistmatch the SP entityID value.', $e->getMessage());
+            $this->assertStringContainsString('The SPNameQualifier value mismatch the SP entityID value.', $e->getMessage());
         }
 
         $response11 = new Response($settings, $xml6);
@@ -405,7 +405,7 @@ public function testGetNameIdData()
             $nameIdData10 = $response10->getNameIdData();
             $this->fail('ValidationError was not raised');
         } catch (ValidationError $e) {
-            $this->assertStringContainsString('The SPNameQualifier value mistmatch the SP entityID value.', $e->getMessage());
+            $this->assertStringContainsString('The SPNameQualifier value mismatch the SP entityID value.', $e->getMessage());
         }
 
         $response11 = new Response($settings, $xml6);