diff --git a/modules/swagger-codegen/src/main/resources/objc/ApiClient-body.mustache b/modules/swagger-codegen/src/main/resources/objc/ApiClient-body.mustache
index 97b1b0ad9935..bb864825b563 100644
--- a/modules/swagger-codegen/src/main/resources/objc/ApiClient-body.mustache
+++ b/modules/swagger-codegen/src/main/resources/objc/ApiClient-body.mustache
@@ -90,7 +90,7 @@ static NSString * {{classPrefix}}__fileNameForResponse(NSURLResponse *response)
 
 - (NSURLSessionDataTask*) taskWithCompletionBlock: (NSURLRequest *)request completionBlock: (void (^)(id, NSError *))completionBlock {
 
-    NSURLSessionDataTask *task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
+    NSURLSessionDataTask *task = [self dataTaskWithRequest:request uploadProgress:nil downloadProgress:nil completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
         {{classPrefix}}DebugLogResponse(response, responseObject,request,error);
         if(!error) {
             completionBlock(responseObject, nil);
@@ -112,7 +112,7 @@ static NSString * {{classPrefix}}__fileNameForResponse(NSURLResponse *response)
 
     __block NSString * tempFolderPath = [self.configuration.tempFolderPath copy];
 
-    NSURLSessionDataTask* task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
+    NSURLSessionDataTask* task = [self dataTaskWithRequest:request uploadProgress:nil downloadProgress:nil completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
         {{classPrefix}}DebugLogResponse(response, responseObject,request,error);
 
         if(error) {
diff --git a/samples/client/petstore-security-test/objc/SwaggerClient/Core/SWGApiClient.h b/samples/client/petstore-security-test/objc/SwaggerClient/Core/SWGApiClient.h
index a828f11dcafb..e89e08717a52 100644
--- a/samples/client/petstore-security-test/objc/SwaggerClient/Core/SWGApiClient.h
+++ b/samples/client/petstore-security-test/objc/SwaggerClient/Core/SWGApiClient.h
@@ -66,7 +66,7 @@ extern NSString *const SWGResponseObjectErrorKey;
 /**
  * Updates header parameters and query parameters for authentication
  *
- * @param headers The header parameter will be udpated, passed by pointer to pointer.
+ * @param headers The header parameter will be updated, passed by pointer to pointer.
  * @param querys The query parameters will be updated, passed by pointer to pointer.
  * @param authSettings The authentication names NSArray.
  */
diff --git a/samples/client/petstore-security-test/objc/SwaggerClient/Core/SWGApiClient.m b/samples/client/petstore-security-test/objc/SwaggerClient/Core/SWGApiClient.m
index 4b1d014d2bc3..8fa7fbf394dc 100644
--- a/samples/client/petstore-security-test/objc/SwaggerClient/Core/SWGApiClient.m
+++ b/samples/client/petstore-security-test/objc/SwaggerClient/Core/SWGApiClient.m
@@ -90,7 +90,7 @@ - (instancetype)initWithBaseURL:(NSURL *)url configuration:(id<SWGConfiguration>
 
 - (NSURLSessionDataTask*) taskWithCompletionBlock: (NSURLRequest *)request completionBlock: (void (^)(id, NSError *))completionBlock {
 
-    NSURLSessionDataTask *task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
+    NSURLSessionDataTask *task = [self dataTaskWithRequest:request uploadProgress:nil downloadProgress:nil completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
         SWGDebugLogResponse(response, responseObject,request,error);
         if(!error) {
             completionBlock(responseObject, nil);
@@ -112,7 +112,7 @@ - (NSURLSessionDataTask*) downloadTaskWithCompletionBlock: (NSURLRequest *)reque
 
     __block NSString * tempFolderPath = [self.configuration.tempFolderPath copy];
 
-    NSURLSessionDataTask* task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
+    NSURLSessionDataTask* task = [self dataTaskWithRequest:request uploadProgress:nil downloadProgress:nil completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
         SWGDebugLogResponse(response, responseObject,request,error);
 
         if(error) {
diff --git a/samples/client/petstore-security-test/objc/git_push.sh b/samples/client/petstore-security-test/objc/git_push.sh
index ed374619b139..ae01b182ae9e 100644
--- a/samples/client/petstore-security-test/objc/git_push.sh
+++ b/samples/client/petstore-security-test/objc/git_push.sh
@@ -36,7 +36,7 @@ git_remote=`git remote`
 if [ "$git_remote" = "" ]; then # git remote not defined
 
     if [ "$GIT_TOKEN" = "" ]; then
-        echo "[INFO] \$GIT_TOKEN (environment variable) is not set. Using the git crediential in your environment."
+        echo "[INFO] \$GIT_TOKEN (environment variable) is not set. Using the git credential in your environment."
         git remote add origin https://github.com/${git_user_id}/${git_repo_id}.git
     else
         git remote add origin https://${git_user_id}:${GIT_TOKEN}@github.com/${git_user_id}/${git_repo_id}.git
diff --git a/samples/client/petstore/objc/default/SwaggerClient/Core/SWGApiClient.m b/samples/client/petstore/objc/default/SwaggerClient/Core/SWGApiClient.m
index 4b1d014d2bc3..8fa7fbf394dc 100644
--- a/samples/client/petstore/objc/default/SwaggerClient/Core/SWGApiClient.m
+++ b/samples/client/petstore/objc/default/SwaggerClient/Core/SWGApiClient.m
@@ -90,7 +90,7 @@ - (instancetype)initWithBaseURL:(NSURL *)url configuration:(id<SWGConfiguration>
 
 - (NSURLSessionDataTask*) taskWithCompletionBlock: (NSURLRequest *)request completionBlock: (void (^)(id, NSError *))completionBlock {
 
-    NSURLSessionDataTask *task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
+    NSURLSessionDataTask *task = [self dataTaskWithRequest:request uploadProgress:nil downloadProgress:nil completionHandler:^(NSURLResponse * _Nonnull response, id  _Nullable responseObject, NSError * _Nullable error) {
         SWGDebugLogResponse(response, responseObject,request,error);
         if(!error) {
             completionBlock(responseObject, nil);
@@ -112,7 +112,7 @@ - (NSURLSessionDataTask*) downloadTaskWithCompletionBlock: (NSURLRequest *)reque
 
     __block NSString * tempFolderPath = [self.configuration.tempFolderPath copy];
 
-    NSURLSessionDataTask* task = [self dataTaskWithRequest:request completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
+    NSURLSessionDataTask* task = [self dataTaskWithRequest:request uploadProgress:nil downloadProgress:nil completionHandler:^(NSURLResponse *response, id responseObject, NSError *error) {
         SWGDebugLogResponse(response, responseObject,request,error);
 
         if(error) {
diff --git a/samples/client/petstore/objc/default/git_push.sh b/samples/client/petstore/objc/default/git_push.sh
index ed374619b139..ae01b182ae9e 100644
--- a/samples/client/petstore/objc/default/git_push.sh
+++ b/samples/client/petstore/objc/default/git_push.sh
@@ -36,7 +36,7 @@ git_remote=`git remote`
 if [ "$git_remote" = "" ]; then # git remote not defined
 
     if [ "$GIT_TOKEN" = "" ]; then
-        echo "[INFO] \$GIT_TOKEN (environment variable) is not set. Using the git crediential in your environment."
+        echo "[INFO] \$GIT_TOKEN (environment variable) is not set. Using the git credential in your environment."
         git remote add origin https://github.com/${git_user_id}/${git_repo_id}.git
     else
         git remote add origin https://${git_user_id}:${GIT_TOKEN}@github.com/${git_user_id}/${git_repo_id}.git