diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
index cabc8915b3..7a09d5b716 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/DefaultCodegen.java
@@ -8437,7 +8437,7 @@ public class DefaultCodegen implements CodegenConfig {
     /**
      * This method removes all constant Query, Header and Cookie Params from allParams and sets them as constantParams in the CodegenOperation.
      * The definition of constant is single valued required enum params.
-     * The constantParams in the the generated code should be hardcoded to the constantValue if autosetConstants feature is enabled.
+     * The constantParams in the generated code should be hardcoded to the constantValue if autosetConstants feature is enabled.
      *
      * @param operation - operation to be processed
      */
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/OperationWrapper.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/OperationWrapper.java
index 5e4cbce630..d23ab1f691 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/OperationWrapper.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/OperationWrapper.java
@@ -47,7 +47,7 @@ public class OperationWrapper {
     /**
      * Returns the OpenAPI specification.
      *
-     * @return The the OpenAPI specification.
+     * @return The OpenAPI specification.
      */
     public OpenAPI getOpenAPI() {
         return specification;
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/ParameterWrapper.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/ParameterWrapper.java
index 7d74d5aae9..d47738e34d 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/ParameterWrapper.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/ParameterWrapper.java
@@ -33,7 +33,7 @@ public class ParameterWrapper {
     /**
      * Returns the OpenAPI specification.
      *
-     * @return The the OpenAPI specification.
+     * @return The OpenAPI specification.
      */
     public OpenAPI getOpenAPI() {
         return specification;
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/SchemaWrapper.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/SchemaWrapper.java
index 5b500035b0..1e7e9c0e0f 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/SchemaWrapper.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/SchemaWrapper.java
@@ -33,7 +33,7 @@ public class SchemaWrapper {
     /**
      * Returns the OpenAPI specification.
      *
-     * @return The the OpenAPI specification.
+     * @return The OpenAPI specification.
      */
     public OpenAPI getOpenAPI() {
         return specification;
diff --git a/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/SecuritySchemeWrapper.java b/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/SecuritySchemeWrapper.java
index c089eeba94..66b65b6bfa 100644
--- a/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/SecuritySchemeWrapper.java
+++ b/modules/openapi-generator/src/main/java/org/openapitools/codegen/validations/oas/SecuritySchemeWrapper.java
@@ -33,7 +33,7 @@ public class SecuritySchemeWrapper {
     /**
      * Returns the OpenAPI specification.
      *
-     * @return The the OpenAPI specification.
+     * @return The OpenAPI specification.
      */
     public OpenAPI getOpenAPI() {
         return specification;
diff --git a/modules/openapi-generator/src/test/resources/3_0/echo_api.yaml b/modules/openapi-generator/src/test/resources/3_0/echo_api.yaml
index 206ec88428..1a386d676d 100644
--- a/modules/openapi-generator/src/test/resources/3_0/echo_api.yaml
+++ b/modules/openapi-generator/src/test/resources/3_0/echo_api.yaml
@@ -27,8 +27,8 @@ servers:
   - url: http://localhost:3000/
 paths:
   # Path usually starts with parameter type such as path, query, header, form
-  # For body/form parameters, path starts with "/echo" so the the echo server
-  # will response with the same body in the HTTP request.
+  # For body/form parameters, path starts with "/echo" so the echo server
+  # will respond with the same body in the HTTP request.
   #
   # path parameter tests
   /path/string/{path_string}/integer/{path_integer}/{enum_nonref_string_path}/{enum_ref_string_path}:
diff --git a/modules/openapi-generator/src/test/resources/3_0/kotlin/echo_api.yaml b/modules/openapi-generator/src/test/resources/3_0/kotlin/echo_api.yaml
index a549fa70a3..940803b93b 100644
--- a/modules/openapi-generator/src/test/resources/3_0/kotlin/echo_api.yaml
+++ b/modules/openapi-generator/src/test/resources/3_0/kotlin/echo_api.yaml
@@ -27,8 +27,8 @@ servers:
   - url: http://localhost:3000/
 paths:
   # Path usually starts with parameter type such as path, query, header, form
-  # For body/form parameters, path starts with "/echo" so the the echo server
-  # will response with the same body in the HTTP request.
+  # For body/form parameters, path starts with "/echo" so the echo server
+  # will respond with the same body in the HTTP request.
   #
   # path parameter tests
   /path/string/{path_string}/integer/{path_integer}/{enum_nonref_string_path}/{enum_ref_string_path}:
diff --git a/samples/client/petstore/csharp/OpenAPIClient-generichost-manual-tests/ManualTests.Latest.UseSourceGeneration/UnitTest1.cs b/samples/client/petstore/csharp/OpenAPIClient-generichost-manual-tests/ManualTests.Latest.UseSourceGeneration/UnitTest1.cs
index 99a5b49e3c..eece8a4824 100644
--- a/samples/client/petstore/csharp/OpenAPIClient-generichost-manual-tests/ManualTests.Latest.UseSourceGeneration/UnitTest1.cs
+++ b/samples/client/petstore/csharp/OpenAPIClient-generichost-manual-tests/ManualTests.Latest.UseSourceGeneration/UnitTest1.cs
@@ -112,7 +112,7 @@ public class UnitTest1
                 gmFruit2.Apple.Origin.Equals(gmFruit.Apple.Origin) &&
                 gmFruit2.Banana.LengthCm.Equals(gmFruit.Banana.LengthCm));
 
-            // TODO: assert the the properties from Banana and GmFruit are in additionalProperties
+            // TODO: assert the properties from Banana and GmFruit are in additionalProperties
         }
 
         [TestMethod]
diff --git a/samples/client/petstore/csharp/OpenAPIClient-generichost-manual-tests/OpenAPIClient-generichost-manual-tests/UnitTest1.cs b/samples/client/petstore/csharp/OpenAPIClient-generichost-manual-tests/OpenAPIClient-generichost-manual-tests/UnitTest1.cs
index 430e380c10..20513bc2f8 100644
--- a/samples/client/petstore/csharp/OpenAPIClient-generichost-manual-tests/OpenAPIClient-generichost-manual-tests/UnitTest1.cs
+++ b/samples/client/petstore/csharp/OpenAPIClient-generichost-manual-tests/OpenAPIClient-generichost-manual-tests/UnitTest1.cs
@@ -98,7 +98,7 @@ namespace OpenAPIClient_generichost_manual_tests
                 gmFruit2.Apple.Origin.Equals(gmFruit.Apple.Origin) &&
                 gmFruit2.Banana.LengthCm.Equals(gmFruit.Banana.LengthCm));
 
-            // TODO: assert the the properties from Banana and GmFruit are in additionalProperties
+            // TODO: assert the properties from Banana and GmFruit are in additionalProperties
         }
 
         [TestMethod]