diff --git a/app/code/Magento/Integration/Test/Unit/Oauth/OauthTest.php b/app/code/Magento/Integration/Test/Unit/Oauth/OauthTest.php
index 7ca29e99d9ba9..7af2b3563478a 100644
--- a/app/code/Magento/Integration/Test/Unit/Oauth/OauthTest.php
+++ b/app/code/Magento/Integration/Test/Unit/Oauth/OauthTest.php
@@ -629,7 +629,7 @@ public function testGetAccessTokenVerifierInvalid($verifier, $verifierFromToken)
     public function dataProviderForGetAccessTokenVerifierInvalidTest()
     {
         // Verifier is not a string
-        return [[3, 3], ['wrong_length', 'wrong_length'], ['verifier', 'doesnt match']];
+        return [[3, 3], ['wrong_length', 'wrong_length'], ['verifier', 'doesn\'t match']];
     }
 
     public function testGetAccessToken()
diff --git a/dev/tests/integration/testsuite/Magento/CatalogRule/Model/Indexer/ProductRuleTest.php b/dev/tests/integration/testsuite/Magento/CatalogRule/Model/Indexer/ProductRuleTest.php
index 76d17527d567a..911c7aa30641e 100644
--- a/dev/tests/integration/testsuite/Magento/CatalogRule/Model/Indexer/ProductRuleTest.php
+++ b/dev/tests/integration/testsuite/Magento/CatalogRule/Model/Indexer/ProductRuleTest.php
@@ -67,7 +67,7 @@ public function testReindexWithProductNotVisibleIndividually()
         $this->assertEquals(
             7.5,
             $this->resourceRule->getRulePrice(new \DateTime(), 1, 1, $product->getId()),
-            "Catalog price rule doesn't apply to to product with visibility value \"Not Visibility Individually\""
+            "Catalog price rule doesn't apply to product with visibility value \"Not Visibility Individually\""
         );
     }
 }
diff --git a/lib/internal/Magento/Framework/EntityManager/Sequence/SequenceManager.php b/lib/internal/Magento/Framework/EntityManager/Sequence/SequenceManager.php
index 25af4743ac9b8..7d92c05d6c830 100644
--- a/lib/internal/Magento/Framework/EntityManager/Sequence/SequenceManager.php
+++ b/lib/internal/Magento/Framework/EntityManager/Sequence/SequenceManager.php
@@ -68,7 +68,7 @@ public function force($entityType, $identifier)
 
         if (!isset($sequenceInfo['sequenceTable'])) {
             throw new \Exception(
-                'TODO: use correct Exception class' . PHP_EOL  . ' Sequence table doesnt exists'
+                'TODO: use correct Exception class' . PHP_EOL  . ' Sequence table doesn\'t exists'
             );
         }
 
@@ -101,7 +101,7 @@ public function delete($entityType, $identifier)
         $metadata = $this->metadataPool->getMetadata($entityType);
         $sequenceInfo = $this->sequenceRegistry->retrieve($entityType);
         if (!isset($sequenceInfo['sequenceTable'])) {
-            throw new \Exception('TODO: use correct Exception class' . PHP_EOL  . ' Sequence table doesnt exists');
+            throw new \Exception('TODO: use correct Exception class' . PHP_EOL  . ' Sequence table doesn\'t exists');
         }
         try {
             $connection = $this->appResource->getConnectionByName($metadata->getEntityConnectionName());