diff --git a/readme.md b/readme.md
index ce08d66..6573be3 100644
--- a/readme.md
+++ b/readme.md
@@ -10,7 +10,7 @@ To install, use composer:
 ## How to use
 **upload.php**
 
-```
+```php
 <?php
 include 'vendor/autoload.php';
 
@@ -20,7 +20,7 @@ use Dilab\Resumable;
 
 $request = new SimpleRequest();
 $response = new SimpleResponse();
-// optional instanceId to seperate uploads from diffrent users like if two users want to upload untitled.jpg there would be no conflict anymore
+// optional instanceId to separate uploads from diffrent users like if two users want to upload untitled.jpg there would be no conflict anymore
 $instanceId = session_id();
 
 $resumable = new Resumable($request, $response, $instanceId);
@@ -43,7 +43,7 @@ return match ($status){
 ## More ##
 ### Setting custom filename(s) ###
 
-```
+```php
 // custom filename (extension from original file will be magically removed and re-appended)
 $originalName = $resumable->getOriginalFilename(Resumable::WITHOUT_EXTENSION); // will gove you "original Name" instead of "original Name.png"
 
@@ -62,6 +62,6 @@ if (true === $resumable->isUploadComplete()) { // true when the final file has b
 ```
 
 ## Testing
-```
+```sh
 $ ./vendor/bin/phpunit
 ```
diff --git a/src/Resumable.php b/src/Resumable.php
index a487237..294a447 100644
--- a/src/Resumable.php
+++ b/src/Resumable.php
@@ -70,7 +70,7 @@ public function setResumableOption(array $resumableOption)
         $this->resumableOption = array_merge($this->resumableOption, $resumableOption);
     }
 
-    // sets original filename and extenstion, blah blah
+    // sets original filename and extension, blah blah
     public function preProcess()
     {
         if (!empty($this->resumableParams())) {
@@ -177,9 +177,9 @@ public function handleTestChunk()
     {
         $identifier = $this->resumableParam($this->resumableOption['identifier']);
         $filename = $this->resumableParam($this->resumableOption['filename']);
-        $chunkNumber = $this->resumableParam($this->resumableOption['chunkNumber']);
-        $chunkSize = $this->resumableParam($this->resumableOption['chunkSize']);
-        $totalChunks = $this->resumableParam($this->resumableOption['totalChunks']);
+        $chunkNumber = (int) $this->resumableParam($this->resumableOption['chunkNumber']);
+        $chunkSize = (int) $this->resumableParam($this->resumableOption['chunkSize']);
+        $totalChunks = (int) $this->resumableParam($this->resumableOption['totalChunks']);
 
         if (!$this->isChunkUploaded($identifier, $filename, $chunkNumber)) {
             return $this->response->header(204);
@@ -199,9 +199,9 @@ public function handleChunk()
         $file = $this->request->file();
         $identifier = $this->resumableParam($this->resumableOption['identifier']);
         $filename = $this->resumableParam($this->resumableOption['filename']);
-        $chunkNumber = $this->resumableParam($this->resumableOption['chunkNumber']);
-        $chunkSize = $this->resumableParam($this->resumableOption['chunkSize']);
-        $totalChunks = $this->resumableParam($this->resumableOption['totalChunks']);
+        $chunkNumber = (int) $this->resumableParam($this->resumableOption['chunkNumber']);
+        $chunkSize = (int) $this->resumableParam($this->resumableOption['chunkSize']);
+        $totalChunks = (int) $this->resumableParam($this->resumableOption['totalChunks']);
 
         if (!$this->isChunkUploaded($identifier, $filename, $chunkNumber)) {
             $chunkFile = $this->tmpChunkDir($identifier) . DIRECTORY_SEPARATOR . $this->tmpChunkFilename($filename, $chunkNumber);
@@ -243,7 +243,7 @@ private function createFileAndDeleteTmp($identifier, $filename)
 
         if ($this->createFileFromChunks($chunkFiles, $this->filepath) && $this->deleteTmpFolder) {
             $tmpFolder->delete();
-            $this->uploadComplete = true;
+            $this->isUploadComplete = true;
         }
     }
 
@@ -295,14 +295,14 @@ public function tmpChunkDir($identifier)
 
     /**
      * make directory if it doesn't exists (Immune against the race condition)
-     * 
-     * 
-     * since the resuamble is usually used with simultaneously uploads,
-     * this sometimes resulted in directory creation btween the *is_dir* check
+     *
+     *
+     * since the resumable is usually used with simultaneously uploads,
+     * this sometimes resulted in directory creation between the *is_dir* check
      * and *mkdir* then following race condition.
      * in this setup it will shut down the mkdir error
      * then try to check if directory is created after that
-     * 
+     *
      * @param string $path the directoryPath to ensure
      * @return void
      * @throws \Exception
@@ -361,7 +361,7 @@ public function createFileFromChunks($chunkFiles, $destFile)
 
     public function moveUploadedFile($file, $destFile)
     {
-        //workaround cakephp error regarding: TMP not defined 
+        //workaround cakephp error regarding: TMP not defined
         define("TMP",sys_get_temp_dir());
 
         $file = new File($file);