diff --git a/Jenkinsfile b/Jenkinsfile
index e702f16..8c74803 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -1,29 +1,25 @@
 pipeline {
     agent any 
+	parameters([
+	 string(
+		defaultValue: '0',
+		description: 'Umożliwia zdefiniowanie wielkości odcięcia zbioru danych.',
+		name: 'CUTOFF',
+		trim: false
+	 ),
+	 string(
+		 defaultValue: 'rokoch',
+		 description: 'Kaggle username',
+		 name: 'KAGGLE_USERNAME',
+		 trim: false
+	 ),
+	 password(
+		 defaultValue: '',
+		 description: 'Kaggle token taken from kaggle.json file, as described in https://github.com/Kaggle/kaggle-api#api-credentials',
+		 name: 'KAGGLE_KEY'
+	 )
+	])
     stages {
-		stage('Preparation') { 
-			properties([
-				 parameters([
-					 string(
-						defaultValue: '0',
-						description: 'Umożliwia zdefiniowanie wielkości odcięcia zbioru danych.',
-						name: 'CUTOFF',
-						trim: false
-					 ),
-					 string(
-						 defaultValue: 'rokoch',
-						 description: 'Kaggle username',
-						 name: 'KAGGLE_USERNAME',
-						 trim: false
-					 ),
-					 password(
-						 defaultValue: '',
-						 description: 'Kaggle token taken from kaggle.json file, as described in https://github.com/Kaggle/kaggle-api#api-credentials',
-						 name: 'KAGGLE_KEY'
-					 )
-				 ])
-			 ])
-		}
         stage('checkout') {
             steps {
                 checkout([$class: 'GitSCM', branches: [[name: '*/master']], doGenerateSubmoduleConfigurations: false, extensions: [], submoduleCfg: [], userRemoteConfigs: [[url: 'https://git.wmi.amu.edu.pl/s426206/ium_426206.git']]])
@@ -42,8 +38,10 @@ pipeline {
         }
 		
 		stage('end') {
-			//Zarchiwizuj wynik
-			archiveArtifacts 'output.txt'
+            steps {
+				//Zarchiwizuj wynik
+				archiveArtifacts 'output.txt'
+			}
 		}
     }
 }
\ No newline at end of file