diff --git a/src/Utils/RenderHelper.php b/src/Utils/RenderHelper.php
index 61a91f0..86022c3 100644
--- a/src/Utils/RenderHelper.php
+++ b/src/Utils/RenderHelper.php
@@ -75,7 +75,7 @@ public function validationError(PropertyValidatorInterface $validator): string
     /**
      * check if the property may contain/accept null
      * - if the property is required the property may never contain null (if it's a null property null is already
-     *   contained in the proprety type hints)
+     *   contained in the property type hints)
      * - if the output type is requested null may be contained (if the property was not set)
      *   if implicitNull is enabled null may be set for the property
      * - except the property contains a default value and implicit null is disabled. in this case null is not
diff --git a/tests/Basic/SchemaDependencyTest.php b/tests/Basic/SchemaDependencyTest.php
index 4852465..efc6bb0 100644
--- a/tests/Basic/SchemaDependencyTest.php
+++ b/tests/Basic/SchemaDependencyTest.php
@@ -252,7 +252,7 @@ public function invalidSchemaDependencyCompositionDataProvider(): array
     }
 
     /**
-     * @dataProvider validSchemaDependencyNestedObejctDataProvider
+     * @dataProvider validSchemaDependencyNestedObjectDataProvider
      */
     public function testSchemaDependencyNestedObject(array $propertyValue): void
     {
@@ -270,7 +270,7 @@ public function testSchemaDependencyNestedObject(array $propertyValue): void
         }
     }
 
-    public function validSchemaDependencyNestedObejctDataProvider(): array
+    public function validSchemaDependencyNestedObjectDataProvider(): array
     {
         return [
             'No properties provided' => [[]],
diff --git a/tests/Objects/StringPropertyTest.php b/tests/Objects/StringPropertyTest.php
index 211ea8d..4aebd75 100644
--- a/tests/Objects/StringPropertyTest.php
+++ b/tests/Objects/StringPropertyTest.php
@@ -248,7 +248,7 @@ public function invalidPatternProvider(): array
     public function testUnknownFormatThrowsAnException(): void
     {
         $this->expectException(SchemaException::class);
-        $this->expectExceptionMessage('Unsupported format onyNumbers');
+        $this->expectExceptionMessage('Unsupported format onlyNumbers');
 
         $this->generateClassFromFile('StringPropertyFormat.json');
     }
@@ -257,7 +257,7 @@ public function testStringFormatCheckIsValid(): void
     {
         $className = $this->generateClassFromFile(
             'StringPropertyFormat.json',
-            (new GeneratorConfiguration())->addFormat('onyNumbers', new FormatValidatorFromRegEx('/^\d+$/')),
+            (new GeneratorConfiguration())->addFormat('onlyNumbers', new FormatValidatorFromRegEx('/^\d+$/')),
         );
 
         $object = new $className(['property' => '12345']);
@@ -270,11 +270,11 @@ public function testStringFormatCheckIsValid(): void
     public function testInvalidStringFormatCheck(string $value): void
     {
         $this->expectException(ErrorRegistryException::class);
-        $this->expectExceptionMessage('Value for property must match the format onyNumbers');
+        $this->expectExceptionMessage('Value for property must match the format onlyNumbers');
 
         $className = $this->generateClassFromFile(
             'StringPropertyFormat.json',
-            (new GeneratorConfiguration())->addFormat('onyNumbers', new FormatValidatorFromRegEx('/^\d+$/')),
+            (new GeneratorConfiguration())->addFormat('onlyNumbers', new FormatValidatorFromRegEx('/^\d+$/')),
         );
 
         new $className(['property' => $value]);
diff --git a/tests/Schema/StringPropertyTest/StringPropertyFormat.json b/tests/Schema/StringPropertyTest/StringPropertyFormat.json
index 251ded2..a5b285e 100644
--- a/tests/Schema/StringPropertyTest/StringPropertyFormat.json
+++ b/tests/Schema/StringPropertyTest/StringPropertyFormat.json
@@ -3,7 +3,7 @@
   "properties": {
     "property": {
       "type": "string",
-      "format": "onyNumbers"
+      "format": "onlyNumbers"
     }
   }
 }
\ No newline at end of file